ABSTRACT
Wavelengths of Emission Lines Used for the Detection and Determination of Some Common Elements: Preferred Flames Used and the Detection Limits
Element
Wavelength (nm)
Type of flame
Detection limits (ppm)
Aluminum
396.2
OA
0.1
484.0
OA
0.5
Antimony
252.8
OA
1.0
Arsenic
235.0
OA
2.2
Barium
455.5
OH
3
553.6
OH
1
Bismuth
223.1
OA
6.4
Boron
249.8
OA
7
518.0
OA
3
Cadmium
326.1
AH
0.5
Calcium
422.7
OA
0.07
554.0
OA
0.16
662.0
OA
0.6
Cesium
455.5
OH
2.0
852.0
OH
0.5
Chromium
425.4
OA
5.0
Cobalt
242.5
OA
1.7
353.0
OA
4.0
Copper
324.7
OA
0.6
Gallium
417.2
OA
0.5
Gold
267.6
OA
2.0
Indium
451.1
OH
0.01
Iron
372.0
OA
2.5
386.0
OA
2.7
550.0
OA
0.5
Lanthanum
442.0
OA
0.1
741.0
OA
4.5
Lead
405.8
OA
1.0
Lithium
670.8
OA
0.007
Magnesium
285.2
OA
0.8
383.0
OA
1.6
Manganese
403.3
OA
0.01
Mercury
253.6
OA
2.5
Molybdenum
379.8
OA
0.5
Neodymium
555.0
OH
0.2
702.0
OH
1.0
Nickel
352.4
OA
0.1
Niobium
405.9
OA
12
Palladium
363.5
OH
0.1
Phosphorus
253.0
OH
1.0
Platinum
265.9
OA
10
Potassium
404.4
OH
1.0
767.0
OH
0.01
Rhenium
346.1
OA
0.3
Rhodium
369.2
OH
0.1
Rubidium
780.0
OH
0.3
Ruthenium
372.8
OA
0.3
Scandium
604.0
OH
0.012
473Silicon
251.6
OH
4.0
Silver
328.0
OH
0.1
338.3
OH
0.6
Sodium
590.0
OH
0.001
Strontium
460.7
OA
0.01
Tellurium
238.6
OA
2.0
Thallium
377.6
OH
0.6
Tin
243.0
OA
0.5
Titanium
399.9
OA
1.0
Vanadium
437.9
OA
1.0
Yttrium
597.0
OA
0.3
Zinc
213.9
OA
77
Note: AH, air-hydrogen flame; OA, oxygen-acetylene flame; OH, oxygen-hydrogen flame.