Wavelength (nm)
HC lamp current (mA)
Slit Width (nm)
Detection Limit (ug/L)
Fuel-gas flow rate (L/min)
Cu
324.8
4.0
0.50
3
2.0
Ni
232
4.0
0.20
10
2.0
Fe
248.3
5.0
0.20
6
2.0
Mg
285.2
9.0
1.3
10
2.2
Zn
213.9
5.0
1.0
1
2.0
Cr
357.9
7.0
0.20
6
2.9
Table 1:
Optimum analytical conditions for selected trace element analysis using air–acetylene flame on atomic absorption spectrophotometer.