ABSTRACT
Hypotensivum n antihypertensive drug, blood-
pressure depressant Hypothese ftAvogadrosche Avogadro hypothesis
(law) -/chemiosmotische (chemisch-osmotische)
(bioch) chemiosmotic hypothesis (of phosphoryl ation)
-/chemische (bioch) chemical-coupling hypothesis (of phosphorylation)
~ der Energiequanten/Plancksche Planck’s hy pothesis (of quantized energy)
~ der induzierten Anpassung induced-fit hypothe sis (theory), sequential hypothesis (enzyme kinet ics)
-/Goudsmit-Uhlenbecksche Goudsmit and Uhlenbeck assumption (of rotating electrons)
-/Proutsche Prout hypothesis (of atomic structure) hypothetisch hypothetical Hypothyreoidismus m, Hypothyreose f (med)
hypothyroidism Hypovitaminose f hypovitaminosis Hypoxanthin n hypoxanthine, 6-hydroxypurine hypsochrom hypsochromic Hypsochromie f hypsochromic shift Hysterese f hysteresis -/ferromagnetische ferromagnetic hysteresis Hysteresekurve f, Hystereseschleife f hysteresis
loop Hystereseverlust m hysteresis loss Hysteresis f s. Hysterese
i I.A. s. lonenaustauscher latrochemie f iatrochemistry latrochemiker m iatrochemist Ibogaalkaloid n iboga alkaloid ICDH = Isocitratdehydrogenase iC4-Kreislauf m s. Isobutankreislauf ICP s. Plasma/induktiv gekoppeltes ICS s. Isocitronensaure ICSH (interstitial-cell-stimulating hormone) s. Hor-
mon/luteinisierendes iC4-Umlauf m s. Isobutankreislauf ideal ideal, perfect, (cryst also) defect-free • sich
~ verhalten to behave perfectly Idealgitter n (cryst) ideal (perfect) lattice Idealitat f ideality Idealkristall m ideal (perfect) crystal Idealverhalten n ideal behaviour Idealzustand m ideality identifizierbar identifiable identifizieren to identify Identifizierung f identification Identitat f identity Identitatsperiode f identity period (of a macro
molecule)-, (bioch) pitch (of a helix) idiochromatisch idiochromatic
idiomorph (min) idiomorphic, idiomorphous, euhedral, automorphic (having the proper crystal form)
Idiophase f(biot) idiophase, production (product formation) phase
Idose f idose (a monosaccharide) Idrialin m (min) idrialine, idrialite (a naturally occur
ring hydrocarbon) Iduronsaure f iduronic acid I.E. s. Einheit/internationale l-Effekt m s. Induktionseffekt IES s. lndolyl-3-essigsaure l-Kalander m four-bowl stack type of calender lie s. Isoleucin llhurinbalsam m lllorin gum (from Daniella thurifera
Bennett) Ilkovid-Gleichung f (phys ch, anal) IIkovic equation Illingworth-Verfahren n (coal) Illingworth process
(a low-temperature carbonization process) Illinium n s. Promethium lllit-Gruppe f illite series (general term for mica
ceous clay minerals) lllustrationsdruckpapier n half-tone paper llluvialhorizont m (soil) illuvial horizon, B-horizon,
zone of illuviation (accumulation), subsoil llmenit m (min) ilmenite (iron(ll) metatitanate) Imbecillitat /VFollingsche (med) phenylketonuria imbibieren to imbibe Imbibition f imbibition Imen n nitrene, (deprecated:) imene Imhoff-Brunnen m (hyd) Imhoff tank Imhoff-Trichter m (hyd) Imhoff [sediment] cone Imid n imide Imidazol n imidazole, 1,3-diazole Imidazolalkaloid n imidazole alkaloid Imidoester m imido ester, imino ether Imidogen n nitrene, (deprecated:) imidogen Imidogruppe f imido group (residue) Imidoharnstoff m s. Iminoharnstoff Imidol n s. Pyrrol Imidosalpetersaure f imide of nitric acid, nitramide Imidsaure f imidic acid Imin n 1. R1R2C = NR3 imine; 2. *aminylene (free
diradical), (deprecated:) imine Iminiumverbindung f iminium compound Iminoather m s. Imidoester Iminogruppe f - N H - imino group (residue),
aminediyl group Iminoharnstoff m iminourea, carbamidine, gua
nidine Iminosaure f imino acid Iminoverbindung f imino compound, imine Immediumfilter n (hyd) Immedium filter Immergan-Gerbung f Immergan process (tanning
with paraffin sulphochlorides) Immersion f immersion Immersionsfliissigkeit /immersion liquid (fluid) Immersionsol n immersion oil Immission / air-borne pollution, pollutant input,
immission
Immissionsdosis / immission dose Immissionsrate / immission rate Immissionsstrom m immission flux immobilisieren to immobilize (e.g. enzymes or
nutrients) Immobilisierung f immobilization (as of enzymes
or nutrients) Immobilisierungsmittel n (biot) immobilizing
agent, immobilization chemical Immunantwort f (bioch) immune response Immunbiologie f immunobiology immunchemisch s. immunochemisch Immunelektrophorese f (anal) immunoelectropho-
resis Immunglobulin n immunoglobulin, Ig, immune
[serum] globulin, antibody globulin immunisieren to immunize Immunisierung f immunization Immunitat f immunity Immunkdrper m antibody, immune body Immunmodulator m immunomodulator (agent
which enhances or suppresses certain immune reactions)
Immunochemie f immunochemistry immunochemisch immunochemical Immunologie f immunology Immunserum n immune serum Immunstimulans n immunostimulant (agent which
enhances certain immune reactions) Immunsuppressor m immunosuppressor, immu
nosuppressant (agent which suppresses certain immune reactions)
IMP s. lnosin-5'-monophosphat Impaktion f impaction (as of particles with gas
cleaning) Impaktor m impactor (for measuring dust in air) Impedanz f (anal) impedance Impellerruhrer m impeller agitator impermeabel impermeable, impenetrable, impervi
ous Impermeabilitat f impermeability, impenetrability,
imperviousness impfen (cryst, biot) to seed, to inoculate Impffermenter m (biot) inoculum (culture) ferment
er (tank), seed [culture] fermenter, seed tank Impfgut n (biot) inoculum Impfgutanzucht f (biot) inoculum cultivation (build
up), cultivation of inoculum Impfgutkonservierung f(biot) inoculum preserva
tion Impfhefe f (biot) yeast inoculum Impfkessel m s. Impffermenter Impfkristall m seed crystal Impfkultur f (biot) seed culture ~ fur Fermenter fermentation culture Impfling m s. Impfkristall Impflosung f (biot) inoculation (inoculum) medium Impfschlitzverfahren ngun injection (wood pre
sentation)
Impftank m s. Impffermenter Impfung f (cryst, biot) seeding, inoculation Impinger m impinger (for sampling particulate
matter, vapours, and gases in air) Impragniereffizienz f (chromat) coating efficiency,
CE impragnieren to impregnate, to imbibe; (text) to
[water]proof, to impregnate; (pap) to penetrate, to impregnate (chips)
-/flammfest (flammsicher) to flameproof ~/mit C02 to carbonate, to aerate, to impregnate
(beverages) ~/mit Schwefel to sulphurize -/wasserabstoBend (wasserabweisend) to make
water-repellent -/wasserdicht to waterproof Impragniergeschwindigkeit f (pap) rate of pene
tration (of the chips with liquor) Impragnierharz n impregnating resin Impragnierlosung / impregnating solution; (rub
ber) dope Impragniermittel n impregnant, impregnation
[material], impregnating material, proofing Impragnierung f 1. impregnation, imbibition (act)]
(text) [waterproofing impregnation; (pap) pene tration, impregnation (of the chips)] 2. impregna tion, finish (state)
-/flammfeste (flammsichere) flameproof finish -/wasserabstoBende (wasserabweisende) water-
repellent finish -/wasserdichte waterproof finish Impragnierungsperiode f (pap) penetration period
(time) Impulsbilanz / momentum balance Impulsbilanzgleichung /momentum balance
equation Impulsmoment n moment of momentum, angular
momentum Impulsraum m momentum space Impulssiegeln n impulse sealing (as of films) Impulsstrom m momentum flux (of liquids per unit
time and unit volume) Impulstransport m momentum transport Impulsubertragung /momentum transfer Impulsverteilungsgesetz n/Maxwell-Boltzmann-
sches Maxwell-Boltzmann distribution law inaktiv inactive, inert, passive, (rubber also) non
reinforcing ~/elektrochemisch electroinactive, non-electroac
tive -/optisch optically inactive inaktivieren to inactivate, to deactivate, to block,
(reactive groups or sites also) to mask Inaktivierung /inactivation, deactivation, blocking,
(of reactive groups or sites also) masking -/thermische thermal (heat) inactivation Inaktivierungsfaktor m (biot) inactivation factor Inaktivitat / inactivity InaktivruB m inactive (inert, non-reinforcing) black
Inbetriebnahme f start-up, starting[-up] inchromieren to chromize Inchromierstahl m chromized steel Inchromierung f chromizing ~ aus der Gasphase gas chromizing Indan n indane, hydrindene Indanon n indanone, hydrindone Indanthron n indanthrone Indanthron-Kupenfarbstoff m indanthrone vat dye Inden n indene Inden-Cumaron-Harz n coumarone[-indene] resin Index m index, value, script -/chemotherapeutiscber therapeutic index -/hochgestellter (oberer) (nomencl) upper index,
superscript -/rechts oben angebrachter (befindlicher)
(nomencl) right[-hand] superscript -/tiefgestellter (unterer) (nomencl) lower index,
subscript Indican n (bioch) indican Indicanreaktion f indican reaction (for detecting
glucosidase) indifferent inert, indifferent, inactive, passive Indifferenz f inertness, indifference -/chemische chemical inertness Indigblau n s. Indigoblau Indigo m(n) indigo [blue] -/naturlicher natural indigo Indigoblau n indigo [bJue] Indigofarbstoff m indigoid [dye] Indigopapier n indigo paper Indigosol n indigosol (any of several sulphuric-acid
esters of leuco vat dyes) Indigotin n indigotin, indigo [blue] Indikator m (chem) indicator, (relating to isotopes
preferably:) tracer; (food) indicator ingredient (substance)
-/basischer basic indicator -/einfarbiger one-colour indicator -/externer external (outside) indicator -/interner internal indicator -/isotoper isotopic tracer (indicator) -/radioaktiver radioactive tracer (indicator), radio
tracer -/saurer acid indicator -/zweifarbiger two-colour indicator Indikatoratom n tracer atom Indikatorbakterien npl (hyd) indicator bacteria Indikatorbase f basic indicator Indikatordiagramm n indicator diagram Indikatorelektrode f indicator electrode Indikatorelement n tracer element Indikatorenzym n (bioch) marker enzyme Indikatorfarbstoff m indicator dye Indikatorgemisch n mixed indicator Indikatorisotop n [isotopic] tracer Indikatorkonstante f indicator constant Indikatorldsung f indicator solution Indikatormethode f tracer method
Indikatororganismen mpl (hyd) indicator organisms Indikatorpapier n [colour-]indicator paper, test
paper, (Am) reaction paper Indikator saure /acid indicator Indikatorsubstanz f indicator, (relating to isotopes
preferably:) tracer Indikatorumschlag m indicator change Indischgelb n 1. Indian (cobalt) yellow, aureolin
(potassium hexanitrocobaltate)\ 2. s. -/echtes -/echtes Indian yellow, piuri (from Mangifera indica
monochloride lndium(ll)-chlorid n indium(ll) chloride, indium
dichloride lndium(lll)-chlorid n indium(lll) chloride, indium
trichloride lndium(lll)-cyanid n indium(lll) cyanide, indium
tricyanide Indiumdi... s. Indium(ll)-... lndium(lll)-hydroxid n indium(lll) hydroxide lndium(lll)-iodat n indium(lll) iodate Indiummono... s. Indium(l)-... Indiummonoxid n s. lndium(ll)-oxid lndium(ll)-oxid n indium(ll) oxide, indium monoox
ide lndium(lll)-oxid n indium(lll) oxide, diindium triox
ide lndium(lll)-sulfat n indium(lll) sulphate, diindium
trisulphate lndium(ll)-sulfid n indium(ll) sulphide, indium
monosulphide lndium(lll)-sulfid n indium(lll) sulphide, diindium
trisulphide Indiumtri... s. Indium(lll)-... Individualist //chemische chemical individuality Individuum n individual, individual entity (sub
stance) -/chemisches chemical individual, individual
chemical entity (substance), chemically individual substance
Indizes mp//Bravaissche (cryst) Bravais-Miller indices
-/Millersche Miller [crystal] indices indizieren (nomencl) to index, to label, to indicate Indizierung f (nomencl) indexing, labelling, indica
tion Indol n indole, 2,3-benzpyrrole Indolalkaloid n indole alkaloid Indolbrenztraubensaure fs. Indolylbrenztrauben-
saure Indolbuttersaure fs. Indolylbuttersaure Indolnachweis m indole test Indolsynthese /VFischersche Fischer indole syn
thesis Indolylbrenztraubensaure f indolylpyruvic acid Indolylbuttersaure findolylbutyric acid lndolyl-3-essigsaure /3-indolylacetic acid
Indopheninreaktion //Baeyers Baeyer’s indophe-
nin[e] reaction Indophenol n indophenol Indoxyl n indoxyl, 3-hydroxyindole Indoxylcarbonsaure / indoxyicarboxylic acid Induktion /induction -/asymmetrische (org ch) asymmetric induction -/sequentielle (biot) sequential induction Induktionseffekt m induction (inductive) effect,
I effect, field effect Induktionserwarmung / induction heating Induktionsfaktor m induction factor induktionsharten to induction-harden Induktionshartung / induction hardening Induktionsheizgerat n induction heater Induktionsheizung / induction heating Induktionskraft / induction (Debye) force, induced
dipole force Induktionsoberflachenhartung / induction surface
hardening Induktionsofen m induction (inductance, induction-
heated) furnace -/kernloser coreless (high-frequency) induction
furnace Induktionsperiode / induction period Induktionszeit fs. Induktionsperiode Induktionszerfall mlfreier (spectr) free induction
decay lnduktiv[be]heizung f induction heating Induktor m inductor (in chemical reactions), (bioch
also) inducer Industrie //biotechnologische bioprocess industry ~/chemische chemical industry -/feinkeramische fine ceramic industry ~/grobkeramische heavy-clay industry -/keramische ceramic industry -/organisch-chemische organic-chemical industry -/petrolchemische petrochemicals industry -/pharmazeutische pharmaceutic[al] industry ~/[weiter]verarbeitende processing industry Industrieabfalle mpl industrial (trade) waste Industrieabgas n industrial off-gas Industrieabwasser n industrial waste water, indus
trial discharge (effluent), trade effluent (waste) Industrieabwasserbehandlung f industrial waste
water treatment, trade effluent treatment Industrieabwasserreinigung fs. Industrieabwas
serbehandlung Industriealkohol m commercial (industrial) alcohol
(spirit), non-beverage alcohol Industrieanlage f industrial plant Industriebrennstoff m industrial fuel Industriechemie f industrial chemistry Industriechemikalie f industrial chemical Industriechemiker m industrial chemist Industrie-Enzym n (biot) industrial enzyme, en
zyme of industrial importance Industriefermenter m (biot) commercial[-scale]
fermenter
Industriefilter n plant filter Industriegas n industrial gas Industriegasbrenner m industrial gas burner Industriekohle f industrial coal Industriemull m industrial solid waste[s] Industriemullbeseitigung f industrial solid waste
disposal Industrieofen m industrial furnace, (esp ceram)
industrial kiln Industrieschlamm m industrial sludge Industriestaub m industrial dust Industriewasser n industrial water, water for indus
trial purpose (use) Industriewasserbedarf m industrial water demand,
water requirements in manufacturing Industriewasserversorgung f industrial water
supply ineinandergewunden interwound, twisted (macro
molecules) inert inert, inactive, passive, indifferent Inertgas n inert gas, indifferent (inactive) gas Inertgasatmosphare f inert-gas atmosphere Inertgase npl inerts Inertia f (phot) inertia inertieren (coal) to render inert Inertinit m inertinite (general term for some mac-
erals of hard coal) inertisieren s. inertieren Inertstoff m, Inertsubstanz f inert substance Infektion / (biot) contamination (with foreign micro
organisms) Infektionsgefahr f (biot) risk of contamination infektionsgefahrdet sein (biot) to have a high risk
of contamination Infektionsmikroorganismen mpl (biot) contami
nant (contaminating) microorganisms, contami nants
Infiltration / infiltration inflammabel inflammable, infl. ~/nicht non-[in]flammable infrarot infrared, ultrared Infrarot n 1. infrared [radiation]; 2. s. Infrarotgebiet Infrarotabsorption / infrared absorption Infrarotabsorptionsspektroskopie f infrared ab
sorption spectroscopy Infrarotabsorptionsspektrum n infrared absorp
tion spectrum infrarot-aktiv infrared-active Infrarotanalyse /infrared analysis Infrarotbeheizung /infrared heating Infrarotbereich m s. Infrarotgebiet Infrarotdetektor m (chromat) infrared detector Infrarotdunkelstrahler m far-infrared radiation
element infrarotdurchlassig infrared-transmitting, infrared-
transparent Infrarotdurchlassigkeit / infrared transmittance
(transmission) Infrarotfotografie / infrared photography Infrarotfrequenz / infrared frequency
Infrarotgasanalysator n infrared gas analyser Infrarotgebiet n infrared [spectral] region -/femes far infrared [spectral region], FIR -/mittleres mid infrared [spectral region] -/nahes near infrared [spectral region], NIR Infrarotheizgerat n infrared heater Infrarotheizung / infrared heating Infrarothellstrahler m near-infrared radiation
element infrarot-inaktiv infrared-inactive Infrarotlampe / infrared lamp (radiator) Infrarotlicht n infrared light Infrarotmikroskop n infrared microscope Infrarotphotometer n infrared photometer Infrarotreaktivierung / von Kornkohle (hyd)
infrared granular carbon reactivation Infrarotspektralphotometer n, Infrarotspektro-
meter n infrared spectro[photo]meter Infrarotspektroskopie / infrared spectroscopy Infrarotspektrum n infrared spectrum Infrarotstrahler m infrared radiator (lamp) Infrarotstrahlung / infrared radiation Infrarottrockenofen m infrared drying oven Infrarottrockner m infrared dryer Infrarottrocknung / infrared drying Infrarotuntersuchung / infrared study Infrarotvorwarmung / infrared preheating Infus n (pharm) infusion (solution obtained by
steeping vegetable matter in a hot solvent) Infusion /infusion Infusionslosung f (pharm) infusion Infusionsverfahren n (ferm) infusion mashing (pro
cess) Infusorienerde /diatom[aceous] earth, infusorial
earth, kieselguhr Infusum n s. Infus Ingangsetzen n start-up, starting[-up] Ingenieurchemie /engineering chemistry Ingenieurtechnik //chemische chemical engineer
ing technology Ingenieurwesen n/chemisches chemical engi
neering Inglasurdekor n (ceram) in-glaze (inter-glaze) dec
oration Ingot m (met) ingot Ingrain-Farbe / ingrain dye Ingrediens n, Ingredienz / ingredient Ingwergrasol n ginger-gras oil (chiefly from Cym-
bopogon martini (Roxb.) Stapf var. sofia) Ingwerol n ginger oil INH s. Isonicotinsaurehydrazid Inhalt m content (relating to energy, heat)] contents
(something contained in a vessel)] contends], capacity, volume (of a vessel)
Inhaltsstoff m ingredient, constituent Inhaltsstoffe mpl (hyd) [water] constituents • frei
von organischen Inhaltsstoffen organic-free -/abbauresistente organische refractory (non-bio-
degradable) organics, biologically inert refractory matter
-/biologisch stabile (nicht abbaubare) organi sche s. -/abbauresistente organische
-/geloste dissolved constituents -/persistente (resistente) organische s. -/abbau
resistente organische Inhaltswasser n fur Dampferzeuger boiler water inhibieren to inhibit, (polymerization also) to short
stop inhibierend inhibitive, inhibitory, inhibiting Inhibition /inhibition Inhibitor m inhibitor, inhibiting substance, retarder,
retarding agent, (relating to polymerization also) stopper, shortstop, shortstopping agent
-/anodischer anodic inhibitor -/katodischer cathodic inhibitor -/kompetitiver (bioch) competitive inhibitor, anti
metabolite, metabolic antagonist Inhibitor-Polypeptid n (bioch) inhibitory polypep
tide -/gastrisches gastric inhibitory polypeptide, GIP Inhibitorwirkung / inhibitory (inhibiting) effect inhomogen inhomogeneous, non-homogeneous Inhomogenitat / inhomogeneity, non-homogeneity Initialsprengstoff m initiator, initiating (primary)
explosive, primer, detonator, initial detonating agent
Initialzundung f (bioch) sparking (of fatty-acid oxi dation)
Initiationscodon n (bioch) [chain] initiation codon, initiator codon
Initiationsfaktor m (bioch) initiation factor, IF Initiationskomplex m (bioch) initiation complex Initiator m initiator, initiating agent Initiatorcodon n, Initiatortriplett n s. Initiationsco
don Initiierbarkeit / sensitiveness to initiation (of an
explosive) initiieren to initiate, to start Initiierung / initiation Initiierungskomplex m s. Initiationskomplex Initiierungsstadium n initiation stage Injektion / injection Injektionsmetamorphose / (geol) injection meta
morphism Injektionsnadel /hypodermic needle (gas chroma
tography) Injektionspflugschar n (agric) injection plough
share (for liquid fertilizers) Injektionsspritze / hypodermic syringe, injection
(sample-charging) syringe (gas chromatography) - fur Septuminjektion septum injection device
(gas chromatography) Injektionsventil n (anal) injection valve Injektionszerstauber m gas-atomizing (two-fluid)
nozzle Injektor m (agric) [soil] injector, injector gun (for soil
fumigation) - mit Temperaturprogramm (chromat) pro-
grammed-temperature vaporizer, PTV
Injektormischer m injector mixer Inklusion / inclusion Inklusionsverbindung /inclusion compound inkoharent incoherent (radiation) Inkoharenz f incoherence (of radiation) inkohlen to coalify Inkohlung f coalification, carbonification Inkohlungsband n coalification band Inkohlungsgrad m degree of coalification, rank
• von hohem ~ high-rank • von mittlerem ~ medium-rank • von niedrigem ~ low-rank
Inkohlungsmaftstab m rank parameter Inkohlungsreihe /coalification series Inkohlungsstadium n stage of coalification Inkohlungsstreifen m coalification band Inkohlungsstufe /stage of coalification Inkohlungsvorgang m coalification process inkompatibel incompatible (as of pesticides or
pharmaceuticals) Inkompatibilitat / incompatibility (as af pesticides
or pharmaceuticals) Inkorporation / (bioch) incorporation Inkorporieren (bioch) to incorporate Inkrustation / incrustation, encrustation Inkrustationen fpl durch Hartebildner (hyd)
hardness (mineral) scale, hard-water depositions (residue)
Inkrusten pi incrustants, encrustants, incrusting material (matter, substance)
inkrustieren to incrust, to encrust Inkrustierung fs. Inkrustation Inkrustsubstanzen fpl s. Inkrusten Inkubation / (biot) incubation Inkubationsprobe / (dye) incubation test Inkubationszeit / (biot) incubation period inkubieren (biot) to incubate Inkulturnahme fs. Kultivierung Inlosunggehen n dissolution Innenanstrich m interior (indoor) finish Innenanstrichfarbe / interior (indoor) paint innenbiirtig (geol) endogenous Innendruck m internal pressure Innenfilter n inside drum filter, internal [rotary-]drum
filter Innenflache / inner surface Innengummi m innerliner (of a tyre) Innenkiihlung / internal cooling Innenlack m interior varnish (chemically drying)\
interior lacquer (physically drying) Innenlosung /internal reference solution (of a glass
electrode) Innenmischer m closed mixer Innenoberflache / internal surface [area], inner
surface [area] Innenorbitalkomplex m inner orbital complex Innenpuffer m s. Innenlosung Innenrohr n inside pipe Innenrohrschlange / tank coil Innenruttler m (build) immersion (poker, needle)
vibrator
Innenschale / inner shell (of an atom) Innenspharenkomplex m inner-sphere complex Innenstruktur / internal structure Innenthermometer n internal thermometer Innentrommelfilter n s. Innenfilter Innenvibrator m s. Innenruttler Innenwand /inside wall Innenwasser n inherent moisture lnnenzellen[trommel]filter n s. Innenfilter innenzentriert (cryst) space-centred, body-centred innerbetrieblich in-plant, intraplant Innere n der flussigen Phase bulk liquid, bulk of
the liquid phase innerkomplex inner-complex Innerkomplex m inner[-orbital] complex, penetra
tion (low-spin, spin-paired) complex Innerkomplex-Anion n inner-complex anion Innerkomplex-Kation n inner-complex cation Innerkomplexsalz n inner-complex salt innerlich (pharm) internal innermolekular intramolecular Innersekretorisch endocrine Innertherapeutikum n systemic [chemical] (pest
control) innertherapeutisch systemic (pest control) innig intimate (e.g. contact or mixture) Ino s. Inosin Inosilicat n (min) inosilicate, chain silicate (any of a
class of polymeric silicates) Inosin n inosine (a riboside) lnosin-5'-monophosphat n, Inosinsaure /inosine-
5'-monophosphate, IMP, inosinic acid (a nucleo tide)
Inositol m inositol, hexahydroxycyclohexane Insektenabwehrmittel n insect repellent, insecti-
fuge Insektenanlockmittel n insect attractant Insektenbekampfungsmittel n s. Insektizid Insektenfarbstoff m insect pigment Insektenlockstoff m insect attractant insektenpathogen entomopathogenic Insektenpuder m, Insektenpulver n insect powder insektenschonend s. insektenvertraglich Insektenschutzmittel n s. Insektenabwehrmittel insektentdtend insecticidal Insektentotungsmittel n s. Insektizid Insektenvertilgungspapier n insecticide paper insektenvertraglich non-insecticidal (e.g. fungi
cides) Insektenwachs n insect (Chinese tree) wax, vege
table spermaceti (secreted by scales) insektizid insecticidal Insektizid n insecticide ~/endolytisches [systemisches] endolytic insecti
cide -/endometatoxisches [systemisches] endometa-
toxic insecticide -/mikrobielles microbial insecticide, bioinsecticide -/pflanzliches insecticide of plant origin, botanical
-/protektives (protektiv wirkendes) protective
insecticide -/selektives (selektiv wirkendes) selective insec
ticide -/system isches systemic insecticide Insektizidaktivitat / insecticidal power Insektiziditat / insecticidal efficiency Insektizidnebel m insecticidal fog Insektizidrauch m insecticidal smoke Insektizidresistenz / insecticide resistance (of ani
mals) Insektizidspriihdose f insecticide bomb Inseisiiicat n (min) nesosilicate insertion /insertion (of atoms or groups into bonds) - des Monomeren monomer insertion Insertionspolymerisation f insertion polymeriza
tion insilizieren to siliconize (metals for protection) Insilizierung f siliconization (of metals for protec
tion) in situ in place, in situ In-situ-Analyse f in situ analysis In-situ-Laugung f, In-situ-Leaching n (min tech) in
situ leaching, leaching in place, underground leaching
In-situ-Polymerisation /in-situ polymerization instabil unstable, instable, labile, transient, (relating
to isotopes also) evanescent -/thermisch thermolabile, heat-labile Instability / instability, lability, transience Instabilitatskonstante / instability constant (as of
complex ions) Instandhaltung /maintenance, upkeep Instandhaltungsaufwand m maintenance require
ments Instantkaffee m instant (soluble) coffee Instrument n/registrierendes (selbstschreiben-
des) recorder, recording instrument, grapher Instrumentalanalyse /, Instrumentenanalyse /
instrumental analysis Instrumentenfehler m instrumental error Insulin-Rezeptor m (bioch) insulin receptor Integralchromatogramm n integral chromatogram Integraldetektor m integral detector (gas chroma
tography) Integralreaktor m integral [tubular-flow] reactor Integrations-Wirtsfaktor m (bioch) integration host
factor, IHF Intensitat /intensity IntensitatsgroBe / intensive quantity (being inde
pendent of the mass of the system concerned) Intensitatsmessung / (anal) intensity measurement Intensitatsregeln fpl (phys ch) intensity rules intensitatsschwach low-intensity intensitatsstark high-intensity Intensitatsverhaltnis n (spectr) intensity ratio;
transmittancy (colorimetry) Intensitatsverteilung / (spectr) intensity distribution Intensivbeiuftung / (hyd) high-rate aeration
Intensivbiologie fs. Belebungsverfahren/hochbelastetes
intensivieren to intensify Intensivierung / intensification Intensivkuhler m jacketed coil condenser interatomar interatomic intercistronisch (bioch) intercistronic (situated
between two genes on the RNA chain) Interferenz / interference (physics) Interferenzbild n interference figure (pattern) Interferenzerscheinung / interference phenome
non Interferenzfarbe / interference colour Interferenzfigur fs. Interferenzbild Interferenzfilter n interference filter Interferenzmikroskop n interference microscope Interferenzring m interference ring Interferenzspektralapparat m, Interferenzspek-
troskop n interferometer Interferenzstreifen m interference fringe interferieren to interfere Interferogramm n (spectr) interferogram Interferometer n (anal) interferometer Interferometrie / (anal) interferometry - aufgrund der Brechzahlanderung refractively
scanned interferometry Interferon n (biot) interferon, Ifn, IFN Interhalogen n, Interhalogenverbindung /inter
halogen [compound] interionisch interionic Interkalat n intercalate Interkalation /intercalation (1. introduction of guest
molecules between layers; 2. insertion of planar ring systems between the stacked bases of nu cleic acids)
Interkalationsschicht / intercalated layer Interkalationsverbindung / intercalation compound - 1. Stufe first-stage intercalation compound, stage
1 intercalation compound - 2. Stufe second-stage intercalation compound,
stage 2 intercalation compound - 3. Stufe third-stage intercalation compound,
stage 3 intercalation compound Interkalatschicht / intercalated layer interkalieren to intercalate (to introduce guest
molecules between layers) interkaliert intercalated (molecules, ions) Interkombination f (spectr) intercombination Interkombinationsverbot n (spectr) prohibition of
intercombination Interkonversion / interconversion [reaction] interkonvertierbar interconvertible Interkonvertierbarkeit / interconvertibility interkristallin intercrystalline intermediar intermediate Intermediarmetabolismus m (bioch) intermediary
metabolism Intermediarprodukt n intermediate product (sub
stance), [reaction] intermediate
Intermediarstoffwechsel m (bioch) intermediary
metabolism Intermediarverbindung /intermediate [compound] Intermediat n s. Zwischenprodukt intermolekular intermolecular Internationale Union / fur reine und angewandte
Chemie International Union of Pure and Applied Chemistry, IUPAC (for compounds s. under IUPACJ
intern (pharm) internal Interstitialldsung fs. Interstitialmischkristall Interstitialmischkristall m interstitial [solid] solution interstitiell interstitial Intersystem-Crossing n, Intersystemubergang m
intersystem crossing], ISC (between terms of different multiplicity)
Intervall n interval, space Interzellularpigment n intercellular pigment (in
animals) Intoxikation /poisoning, (medalso) intoxication intramolekular intramolecular intrazellular intracellular, endocellular Intron n, Intron-Sequenz / (bioch) intervening
sequence, IVS intrudieren (geol, plast) to intrude Intrusion / (geol, plast) intrusion Intrusionsgestein n, Intrusivgestein n intrusive
(irruptive) rock Intussuszeption / (biol) intussusception (interposi
tion of new substances into growing cell mem branes)
Inulacampher m alantolactone, helenin[e] invariabel invariable invariant invariant, non-variant Invariante //adiabatische adiabatic invariant Inversion /inversion ~ der Konfiguration s. -/Waldensche -/Waldensche Walden inversion, inversion of con
figuration Inversionsdrehachse / (cryst) inversion axis Inversionshohe /inversion height (in the atmo
sphere) Inversionspunkt m (distil) phase-inversion point Inversionsschicht / inversion layer Inversionstemperatur / inversion temperature Inversionszentrum n inversion centre (of a mole
cule) Inverspolarographie fs. Inversvoltammetrie Inversvoltammetrie / [an der Anode] (anal) anod
ic stripping analysis (voltammetry), ASV inversvoltammetrisch by anodic stripping analysis Invertemulsion / invert emulsion (as of pesticide
formulations) invertieren to invert (the configuration of a molecule) Invertierung / inversion (of the configuration of a
molecule) Invertseife / invert (cationic) soap Invertzucker m inverted] sugar -/durch Hydrolyse mit Sauren gewonnener acid-
inverted sugar
InvestmentguB m [precision] investment casting (foundry)
In-vitro-Rekombination / (biot) in vitro recombina tion
lod n I iodine -/radioaktives radioactive iodine, radioiodine,
(specif)1311 iodine-131 lodanlage f zur Trinkwasserentkeimung (hyd)
iodine disinfection unit, iodination unit, iodinator lodat n M' 1 0 3 iodate lodatmethode /iodate method (for determining
sodium dithionite) lodazid n iodine azide lodbenzen n, lodbenzol n iodobenzene lod(l)-bromid n iodine(l) bromide, iodine mono
bromide lod(lll)-bromid n iodine(lll) bromide, iodine tribro
mide lodchinolin n iodoquinoline lod(l)-chlorid n iodine(l) chloride, iodine monochlo
ride lod(lll)-chlorid n iodine(lll) chloride, iodine trichlo
ride lodchlorierung /iodochlorination, chloroiodination lodcyanid n iodine cyanide, cyanogen iodine loddampf m iodine vapour loddioxid n iodine dioxide lodethan n iodoethane lodethanverbindung /ethiodide lod(V)-fluorid n iodine(V) fluoride, iodine penta-
fluoride lod(VII)-fluorid n iodine(VII) fluoride, iodine hepta-
fluoride lodgorgosaure / (org ch) iodogorgoic acid iodhaltig iodine-containing lodheptafluorid n s. lod(VII)-fluorid lodhydrin n iodohydrin lod(l)-hydroxid n iodine hydroxide lodid n M'l iodide lodidstarkepapier n starch iodide paper iodieren to iodize, to iodinate lodierung / iodization, iodination lodkaliumstarkepapier n potassium-iodide starch
paper lodkohle / iodized active carbon lodlactonisierung / iodolactonization lodlosung / iodine solution -/Lugolsche Lugol’s solution lodmethan n *iodomethane, methyl iodide lodmono... s. lod(l)-... lodoaurat(lll) n M'[Aul4] iodoaurate(lll), tetraiodo-
aurate(lll) Iodoform n iodoform, tri-iodomethane lodoformprobe / iodoform test (for investigating
alcohols) lodolyse /iodolysis lodomercurat(ll) n M^[Hgl4] iodomercurate(ll),
tetraiodomercurate(ll) lodometrie / iodometry, iodimetry
iodometrisch iodometric, iodimetric lodonium-lon n iodonium ion lodoniumverbindung / iodonium compound lodoplatinsaure / iodoplatinic acid, hexaiodoplatin-
ic(IV) acid lod(V)-oxid n iodine(V) oxide, diiodine pentaoxide lodpentafluorid n s. lod(V)-fluorid lodpentoxid n s. lod(V)-oxid lodsaure / iodic acid lodspeisesalz n iodized [table] salt lodstarke / iodide of starch, starch-iodine complex lodstarkepapier n starch iodide paper lodstarkereaktion f (bioch, anal) iodine colour
reaction lodtinktur / tincture [of] iodine lodtri... s. lod(lll)... loduberschuB m excess [of] iodine, (hyd also)
iodine residual lodwasserstoffgleichgewicht n hydrogen-iodide
equilibrium lodwasserstoffsaure / hydroiodic acid lodzahl / iodine [absorption] value, I.V., iodine
(Huebl) number (characterizing the unsaturation of a compound or mixture)
- nach Hanus Hanus iodine value -/rhodanometrische thiocyanogen number (value) lodzahibestimmung f (food) iodine test lodzahlkolben m (food) iodine flask Ion n ion ~ auf Zwischengitterplatz interstitial ion -/einfach geladenes mono-ion -/eintauschendes (soil) competitor ion -/einwertiges mono-ion -/geminates geminal (geminate) ion -/gittereigenes lattice ion -/hydratisiertes hydrated ion, aquo-ion -/kompiexes complex ion -/metastabiles (spectr) metastable ion -/negatives negative ion, anion -/positives positive ion, cation -/potentiaibestimmendes potential-determining
ion -/primar rekombinierendes s. -/geminales -/schnelles high-speed ion ional ionic lonen npl bei chemischer Ionisation/negative
(anal) negative ions with chemical ionization, NCI - bei ElektronenstoBionisation/negative (anal)
negative ions with electron impact ionization, NEI lonenadsorption /adsorption of ions lonenadsorptionsvermogen n ion-adsorbing
capacity lonenaggregat n aggregate of ions lonenaktivitat /ion[ic] activity lonenaktivitatskoeffizient m ion[ic] activity coeffi
cient lonenaktivitatsprodukt n ion activity product, IAP lonenantagonismus m (bioch) ion antagonism
lonenaquivalentleitfahigkeit / ionic equivalent conductance, equivalent ion[ic] conductance
lonenart /ionic species lonenassoziation / ion association lonenatmosphare / (phys ch) ion[ic] atmosphere,
ion cloud lonenaufnahme / ion absorption lonenausschluB m ion exclusion lonenausschluBchromatographie / ion exclusion
chromatography lonenaustausch m ion[ic] exchange - mit H-Austauscher hydrogen cycle [cation]
exchange, H-form exchange, hydrogen-cation exchange, ion exchange in (on) the hydrogen cycle
- mit Natriumaustauscher sodium-cycle ex change, Na-form exchange, ion exchange in (on) the sodium cycle
- mit Neutralaustauscher s. ~ mit Natriumaustau scher
lonenaustauschbehalter m resin tank lonenaustauschchromatographie / ion-exchange
chromatography lonenaustauscher m ion exchanger, ion-exchange
material - auf Kunstharzbasis s. lonenaustauscherharz -/erschopfter exhausted ion exchanger - in der Cl-Form chloride-form (Cl-form) exchang
er - in der H-Form (H2-Form) hydrogen[-form]
exchanger, H-form exchanger, hydrogen-cation exchanger
- in der Na-Form (Natriumform) sodium (Na-form) exchanger
- in der OH-Form hydroxyl-form (OH-form) ex changer
-/in der Wasseraufbereitung eingesetzter watertreatment ion exchanger
lonenaustauscheranlage / ion-exchange unit (system)
- in Teilstromschaltung split-stream ion-exchange unit
-/kontinuierlich arbeitende continuous ion-exchange unit
- zur Enthartung ion-exchange softener - zur Entkarbonisierung ion-exchange dealkalizer - zur Neutralisation ion-exchange neutralizer lonenaustauscherbett n ion-exchange bed lonenaustauscherharz n ion-exchange resin (for
compounds s. Austauscherharzj lonenaustauschermaterial n ion-exchange mate
rial (medium) lonenaustauschermembran / ion-exchange
membrane lonenaustauschersaule / ion-exchange column lonenaustauschgleichgewicht n ion-exchange
equilibrium lonenaustauschharz n s. lonenaustauscherharz lonenaustauschreaktion / ion-exchange reaction
lonenaustauschtechnik / ion-exchange technology lonenaustauschtrennung /ion-exchange separa
tion lonenaustauschvollentsalzungsanlage / ion-ex
change demineralizer lonenbelastung f (hyd) ion[ic] load lonenbeschuB m ion[ic] bombardment lonenbestandteil m ion constituent (according to
Mclnnes) lonenbeweglichkeit /ion[ic] mobility lonenbewegung /ion[ic] movement, ion[ic] motion lonenbeziehung / ionic bond, heteropolar (polar,
electrostatic, electrovalent) bond, electrovalence lonenbildung / formation of ions, ionization lonenbindung /1. electrovalent linkage, ionic (po
lar, heteropolar, electrostatic) linkage (process)-, 2. s. lonenbeziehung
lonenbombardement n s. lonenbeschuB lonencarrier m s. lonophor lonencharakter m ionic character lonenchromatographie / ion chromatography ionenchromatographisch ion-chromatographic,
by ion chromatography lonendetektor m ion detector lonendichte / ion density lonendipolkomplex m ion-dipole complex lonendipolkrafte fpl ion-dipole forces lonendurchbruch m ion leakage (ion exchange) lonenenergie-Spektroskopie / zum Nachweis
metastabiler Zerfalle direct analysis of daughter ions, DADI, mass-analysed ion kinetics spec trometry, ion kinetic energy spectroscopy, IKES
ionenerzeugend ionogenic lonenfarbe / ion colour lonenformel / ionic formula lonengehalt m ionic content lonengeschwindigkeit / ionic speed (velocity) lonengetterpumpe /getter-ion (sputter-ion) pump lonengitter n (cryst) ionic [crystal] lattice lonengleichgewicht n ionic equilibrium (balance) lonengleichung / ionic equation lonengroBe / ion[ic] size lonenhydrat n ion hydrate lonenhydratation / ionic hydration lonenhydration fs. lonenhydratation ioneninaktiv non-ionic, non-ionizing, non-ionogenic lonenkonzentration /ionic concentration lonenkrafte fpl ionic forces lonenkristall m ionic crystal lonenladung / ionic charge lonenladungszahl / ionic charge number lonenlawine / avalanche of ions lonenleiter m ionic (electrolytic) conductor lonenleitfahigkeit / ion[ic] conductivity -/spezifische ion[ic] conductance lonenleitung /ionic conduction lonenmasse /ionic mass lonenmikrosonde / ion [micro]probe lonenmolekel /, lonenmolekul n ionic molecule
lonen-Molekul-Reaktion / ion-molecule reaction lonenpaar n ion pair -/auBeres loose ion pair, (esp if separated by only
a single solvent molecule:) solvent-shared ion pair, (esp if separated by more than one solvent molecule:) solvent-separated ion pair
-/inneres tight ion pair, intimate (contact) ion pair -/solvensgetrenntes s. -/auBeres lonenpaarbildung / ion-pair formation, ion pairing lonenpaarchromatographie /ion-pair chromatog
raphy ~ mit Umkehrphasen reversed-phase ion-pair
chromatography lonenpolymerisation / ionic polymerization lonenprodukt n ion[ic] product lonenquelle / ion source lonenradius m ionic radius -/Goldschmidtscher Goldschmidt radius lonenreaktion / ion[ic] reaction, ion-ion reaction lonenreihe //Hofmeistersche lyotropic order
(series) lonenrekombination / ion[-ion] recombination lonenresonanz-Hochfrequenzspektrometer n
ion-resonant spectrometer lonenretardierung / (chromat) ion retardation lonenrichtgitter n ion focus grid (in a spectrometer) lonenschlupf m ion slippage (ion exchange) ionenselektiv ion-selective lonenselektivitat / ion selectivity ionensensitiv ion-sensitive, (relating to electrodes
also:) ion-selective lonensorte / ionic species ionenspezifisch ion-specific lonenstarke /ionic strength ~ Null zero ionic strength lonenstrahl m ion beam lonenstrahl-Mikroanalyse / ion-probe microanal
ysis, IMA lonenstrahl-Spektralanalyse / ion-beam spectro-
chemical analysis, IBSCA lonenstreuungsspektroskopie / ion-scattering
spectroscopy, ISS lonenstrom m ionic current lonenstruktur / ionic structure lonensuszeptibilitat /ionic susceptibility (suscep
tibility per gram ion) lonentrennung / ion separation lonenumtausch m ion exchange lonenverbindung / ionic (polar, heteropolar)
compound lonenverteilung /distribution of ions lonenverzbgerung / (chromat) ion retardation lonenwanderung /ion[ic] migration, migration of
ions -/unabhangige independent migration of ions lonenwanderungsgeschwindigkeit / ionic speed
(velocity) lonenwechselwirkung /ionic (ion-ion) interaction,
interionic action
lonenwertigkeit f ionic valence lonenwind m ionic (electric) wind lonenwolke f (phys ch) ion cloud, ion[ic] atmo
sphere lonenzustand m ionic state lonenzyklotron-Resonanz f ion-cyclotron reso
nance, ICR lon-lon-Rekombination f ion[-ion] recombination lon-lon-Wechselwirkung f s. lonenwechselwirkung Ionisation f ionization ~ bei Atmospharendruck atmospheric-pressure
ionization, API -/chemische chemical ionization -/differentielle s. -/spezifische -/direkte chemische direct chemical ionization,
DCI - durch Laser laser-enhanced ionization, LEI -/lawinenartige cumulative ionization -/schonende soft ionization -/spezifische specific ionization -/thermische thermal ionization lonisationsarbeit f s. lonisationsenergie lonisationsdetektor m ionization detector lonisationsenergie f ionization energy -/erste first ionization energy -/zweite second ionization energy lonisationsfahigkeit f ionizing power lonisationsgrad m degree of ionization lonisationsisomerie f ionization isomerism lonisationskammer f ionization chamber lonisationspotential n ionization (ionizing) poten
tial -/erstes first ionization potential lonisationsreaktion /ionization reaction lonisationsspannung f s. lonisationspotential lonisationsspektrometer n ionization spectrome
ter lonisationsstarke f specific ionization lonisationsvakuummeter n ionization [vacuum]
gauge - mit heifter Katode thermionic (hot-filament) ion
ization gauge lonisationsvermogen n ionizing power lonisationswarme / heat of ionization lonisationszustand m state of ionization ionisch ionic ionisierbar ionizable, capable of ionization ionisieren to ionize ionisiert ionized, ionic -/einfach singly ionized -/zweifach doubly ionized lonisierung fs. Ionisation lonisierungs... s. a. Ionisations... lonisierungsbereich m (spectr) ionizing region lonisierungsquerschnittdetektor m (chromat)
cross-section detector ionogen ionogenic ionoid (org ch) ionic (addition) lonomer[e] n ionomer
ionometrisch ionometric ionophil ionophilic ionophor (bioch) ionophoric lonophor n (bioch) ionophore, ionophoric agent,
ion carrier lonophorese f ionophoresis ionotrop ionotropic lonotropie fionotropy I.P. s. Punkt/isoelektrischer IPC s. lsopropyl-A/-phenylcarbamat Ipecacuanhaalkaloid n ipecacuanha alkaloid ipso-Angriff m, ipso-Substitution f (org ch) ipso-
attack IP-Standardmethode f (petrol) standard IP method IQD s. lonisierungsquerschnittdetektor IR s. Infrarot IR-Abfall m, iR-Abfall m s. Spannungsabfall/ohm-
scher Irdengut n, Irdenware f earthenware Iridium n Ir iridium Iridosmium n (min) iridosmine, iridium-osmine irisieren to be iridescent, to iridesce Irisieren n iridescence irisierend iridescent Irispapier n iridescent paper, mother-of-pearl paper irreversibel irreversible, non-reversible IR-Spektralbereich m s. Infrarotgebiet l-Saure f s. J-Saure i-s-Diagramm n enthalpy-entropy chart (diagram),
Mollier chart isenthalpisch (phys ch) isenthalpic (e.g. expansion) isentrop (phys ch) is[o]entropic (e.g. series of reac
tions) Isentrope f (phys ch) isentrope (the representation
of an isentropic process in a thermodynamic dia gram)
isentropisch s. isentrop Islandspat m (min) Iceland spar (calcium carbon
ate) Isoalkan n isoalkane Isoalloxazin n isoalioxazine, flavin[e] Isoamylaldehyd m isoamyl aldehyde, *3-methyl-
butanal Isoamylalkohol m isoamyl alcohol, *3-methylbu-
tan-1-ol Isoamylnitrat n isoamyl nitrate, *3-methylbutyl
nitrate Isoamylvalerianat n isoamyl valerate, *3-methyl-
butyl valerate Isoascorbinsaure / D-araboascorbic acid,
isoascorbic acid, erythorbic acid Isobaldriansaure fs. Isovaleriansaure isobar isobaric Isobar n [nuclear] isobar[e] Isobare f (phys ch) isobar Isobernsteinsaure f isosuccinic acid, methylmalo
nic acid, ethane-1,1-dicarboxylic acid Isobutan n isobutane, *2-methylpropane Isobutankreislauf m (petrol) isobutane recycle
Isobutanol n s. Isobutylalkohol Isobutanumlauf m (petrol) isobutane recycle Isobuten n s. 2-Methylpropen Isobuttersaure /isobutyric acid, *2-methylpropi-
onic acid Isobutylalkohol m isobutyl alcohol, *2-methylpro-
pan-1-ol Isobutylcarbinol n s. Isoamylalkohol Isobutylen n s. 2-Methylpropen Isobutylen-lsopren-Kautschuk m isobutylene-
isoprene rubber, MR Isobutylessigsaure / *4-methylpentanoic acid,
4-methylvaleric acid, (deprecated:) isobutyl acetic acid
Isobutylierung / isobutylation Isobutylmercaptan n s. 2-Methylpropan-1-thiol Isocapronsaure f s. 4-Methylpentansaure Isochinolin n isoquinoline, benzo[c]pyridine,
2-benzazine Isochinolinalkaloid n isoquinoline alkaloid Isochore f (phys ch) isochore Isocitratdehydrogenase / isocitric acid dehydro
genase Isocitronensaure / isocitric acid, *1-hydroxypro-
pane-1,2,3-tricarboxylic acid isocrat s. isokrat Isocrotonsaure / isocrotonic acid, *c/'s-but-2-enoic
acid Isocyanat n R -N = C = O isocyanate Isocyanatkleber m isocyanate adhesive Isocyanatkunststoff m isocyanate resin Isocyanid n R-N = C isocyanide, isonitrile, carbyl-
amine Isocyanursaure / isocyanuric acid, fulminuric acid isocyclisch isocyclic, homocyclic, carbocyclic Isocyclus m isocyclic (homocyclic, carbocyclic)
compound Isodecanol n (plast, text, pap) isodecanol, isodecyl
alcohol (mixture of isomers of C10 alcohols) isodiametrisch isodiametric Isodiazotat n antidiazo compound isodimensional isodimensional isodispers isodisperse, monodisperse Isodurol nisodurene, *1,2,3,5-tetramethylbenzene Isodurylsaure f isodurylic acid, trimethylbenzoic
acid isodynam isodynamic isoelektrisch isoelectric isoelektronisch isoelectronic, isosteric isoenthalpisch isenthalpic Isoenzym n isoenzyme, isozyme Isoeugenol n isoeugenol, 2-methoxy-4-propenyl-
phenol Isoferulasaure fs. Hesperetinsaure Isoflavon n isoflavone Isogel n (coll) isogel Isohemipinsaure fisohemipinic acid, 4,5-dime-
thoxyisophthalic acid Isokale f isocal, isocalorific line
Iso-Kautschuk m isorubber isokrat isocratic (maintaining constant composition
as of an eluant) Isolation M. insulation [material]; insulation; resist,
stop-off [coating] (electroplating)] 2. insulation (against something)
Isolations... s. a. Isolier... Isolationswiderstand m insulation resistance Isoleucin n isoleucine, ileu (an amino acid) isolierbar isolable Isolierbeton m s. Dammbeton isolieren 1. (ch) to isolate, to separate, to segregate;
2. to insulate (against something) Isolierlack m insulating varnish Isoliermasse f insulation compound Isoliermaterial n insulation [material] Isoliermischung f (rubber) insulating compound
(stock) Isoliermittel n insulating medium Isolierol n [electrical] insulating oil Isolierpapier n [electrical] insulating paper Isolierpappe / insulating (fuller) board Isolierschlauch m insulation tubing Isolierstein m insulating brick Isolierstoff m insulation [material] Isolierstreifen m insulation strip Isolierung f 1. (ch) isolation, separation, segrega
tion; 2. insulation (against something) Isologe n isologue isomer isomeric -/optisch enantiomeric Isomer n isomer, isomeric compound -/geometrisches geometrical] isomer, cis-trans
isomer -/optisches optical isomer (antipode), enantiomer,
antimer, mirror-image isomer m-lsomer n m-isomer, meta isomer o-lsomer n o-isomer, ortho isomer p-lsomer n p-isomer, para isomer isomerenfrei free from isomers Isomerengemisch n mixture of isomers Isomerenpaar n loptisch aktives pair of optical
isomers Isomere n s. Isomer Isomerie / isomerism -/geometrische geometrical (cis-trans) isomerism -/optische optical isomerism, enantiomerism,
mirror-image isomerism -/raumliche (stereochemische) stereoisomerism,
space isomerism anti-syn-Isomerie / anti-syn isomerism Isomerisation f s. Isomerisierung isomerisieren to isomerize -/sich to isomerize, to undergo isomerization Isomerisierung / isomerization, molecular rear
rangement -/entartete degenerate isomerization - in der Dampfphase vapour-phase isomerization - in der Fliissigphase liquid-phase isomerization
~ in der Gasphase gas-phase isomerization -/photochemische photoisomerization -/reduktive (reduzierende) reductive isomeriza
tion, hydroisomerization -/spontane spontaneous isomerization Isomerisierungsreaktion f isomerization reaction Isomerisierungsverfahren n isomerization process isomorph (cryst) isomorphous isomorphie f (cryst) isomorphism Isomorphieregel f/Mitscherlichsche (cryst) Mit-
scherlich’s law of isomorphism Isomorphismus m (cryst) isomorphism Isoniazid n s. Isonicotinsaurehydrazid Isonicotinsaure f isonicotinic acid, pyridine-4-car-
boxylic acid Isonicotinsaurehydrazid n isonicotinic acid hydra-
zide, isoniazid, INAH Isonitril n isonitrile, isocyanide, carbylamine Isonitrosoverbindung f oxime, isonitroso com
pound Isooctan n isooctane, (specif)
(CH3)2 CHCH2C(CH3 ) 3 2,2,4-trimethylpentane Isooctanol n s. Isooctylalkohol Isooctylalkohol m *6-methylheptanol, isooctyl
alcohol Isopentan n *2-methylbutane, isopentane Isopersulfocyansaure f isoperthiocyanic acid Isophthalsaure f isophthalic acid, m-phthalic acid,
benzene-m-dicarboxylic acid Isoplethe f isopleth Isopolymorphie f isopolymorphism Isopolysaure f isopoly acid Isopren n isoprene, *2-methylbuta-1,3-diene Isoprenkautschuk m isoprene rubber, IR Isoprenoid n isoprenoid (general term for terpenes
and steroids) Isoprenregel f (org ch) isoprene rule Isopropylalkohol m propan-2-ol Isopropylamin n isopropylamine, 2-aminopropane,
*1-methylethylamine Isopropylbenzen n isopropylbenzene, cumene,
2-phenylpropane Isopropylcarbinol n s. 2-Methylpropan-1-ol Isopropylchlorid n *2-chloropropane, isopropyl
chloride Isopropylessigsaure f s. Isovaleriansaure Isopropylether m s. Diisopropylether Isopropylgruppe f (CH3)2C H - isopropyl group
(residue) Isopropylidenaceton n s. Mesityloxid Isopropylierung f isopropylation lsopropyl-A/-phenylcarbamat n isopropyl-A/-phen-
ylcarbamate, I PC (a herbicide) isosmotisch is[o]osmotic, isotonic isoster isosteric, isoelectronic Isostere f (phys ch) isostere Isosterie f isosterism isosterisch s. isoster Isosynthese f isosynthesis
Isotache f isotach, isokinetic line, isovel Isotachophorese f (anal) isotachophoresis (special
type of electrophoresis) isotaktisch isotactic Isotaktizitat f isotacticity Isoteniskop n isoteniscope (a device for determin
ing the saturation vapour pressure of liquids) isotherm isothermal Isotherme f isotherm ~/van-der-Waalssche van der Waals isotherm isothermisch isothermal Isothiocyanat n, Isothiocyansaureester m iso-
thiocyanate, mustard oil Isoton n (nucl) isotone isotonisch isotonic, is[o]osmotic isotop isotopic Isotop n isotope -/instabiles s. -/radioaktives -/kunstlich erzeugtes artificial isotope -/langlebiges long-lived isotope -/nichtradioaktives s. -/stabiles -/radioaktives radioactive (unstable) isotope,
radioisotope -/schweres heavy isotope -/stabiles stable (non-radioactive) isotope Isotopenanalyse f isotopic analysis Isotopenaustausch m isotope (isotopic) exchange Isotopeneffekt m s. Isotopieeffekt Isotopengemisch n mixture of isotopes, isotopic
mixture Isotopengewicht n s. Massewert Isotopenhaufigkeit f isotopic abundance -/naturliche natural abundance Isotopenindikator m isotopic tracer (indicator) isotopenmarkiert [isotopically] labelled Isotopenmasse f isotopic (isotope) mass Isotopenmethode f tracer (atom tagging) method isotopenrein isotopically pure Isotopenreinheit f isotopic purity Isotopensubstitution f isotopic substitution Isotopentechnik f tracer technique, (bioch also)
isotope incorporation technique Isotopentracer m s. Isotopenindikator Isotopentrennung /isotope (isotopic) separation Isotopenverbindung f isotopic compound Isotopenverdunnung f isotopic dilution Isotopenverdunnungsanalyse f isotopic dilution
analysis Isotopenverdunnungsmethode f isotope dilution
procedure Isotopenverhaltnis n abundance (isotopic) ratio Isotopenzusammensetzung /isotopic composition Isotopie /isotopism, isotopy Isotopieeffekt m isotope effect -/kinetischer kinetic isotope effect -/primarer kinetischer primary kinetic isotope
effect -/sekundarer kinetischer secondary kinetic iso
tope effect