ABSTRACT
Table 1 includes relative sensitivities obtained under arc and spark conditions. It should be remembered that arc-like conditions are more sensitive but less reproducible than spark-like conditions. Comparison of Some Experimentally Determined Emission-Spectroscopic Detection Limits (<italic>μ</italic>g/ml)
Element
DC arc a
Spark b
Element
DC arc a
Spark b
Ag
0.0006
0.2
Nb
5
0.10
Al
0.05
0.05
Ni
0.02
0.05
As
0.1
5
P
0.15
4
Au
0.05
0.1
Pb
0.005
0.1
B
0.07
0.5
Pd
0.02
0.02
Ba
0.005
0.02
Pt
0.04
0.4
Be
0.0006
0.0002
Rh
0.02
0.05
Bi
0.03
0.1
Sb
0.07
2
Ca
0.01
0.05
Sc
0.2
0.01
Cd
0.02
1
Se
—
—
Ce
0.02
0.3
Si
0.1
0.20
Co
0.01
0.05
Sn
0.05
0.30
Cr
0.01
0.05
Sr
0.00003
0.002
Cu
0.0003
—
Ta
30
0.3
Fe
0.01
0.5
Te
60
4
Ga
0.02
0.02
Th
0.02
0.5
Ge
0.02
—
Ti
0.0001
0.01
Hf
1
0.25
TI
0.07
0.8
Hg
0.07
1
U
—
2
In
0.03
0.3
V
0.02
0.02
La
0.03
0.02
W
0.3
0.4
Mg
0.007
0.05
Yb
0.0009
0.005
Mn
0.003
0.01
Zn
0.01
0.5
Mo
0.006
0.03
Zr
0.004
0.01
Na
0.005
0.1
Svoboda, V. and Kleinmann, 1., Anal. Chem., 40, 1534, 1968.
Faris, J. P., Proc. 6th Conf. Analytical Chemistry Nuclear Reactor
Technology, TID-76655. Gatlinburg, TN, 1962.