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Operating conditions for the Varian Spectra 240 FS spectrophotometer.
| Metal | λ (nm) | Lamp Current (mA) | Slit Width | WHO Standard |
|---|---|---|---|---|
| Ni | 232 | 4 | 0.2 | Not specified |
| Cr | 357.9 | 7 | 0.2 | Not specified |
| Cu | 324.8 | 4 | 0.5 | Not specified |
| Cd | 228.8 | 4 | 0.5 | 0.005 ppm |
| Mn | 279.5 | 5 | 0.2 | 0.1 ppm |
| Zn | 213 | 5 | 1 | Not specified |
| Fe | 248.3 | 5 | 0.2 | 0.3 ppm |
| Pb | 283.3 | 10 | 1.2 | 0.05 ppm |
