Table 2. ICP-MS conditions for As, Pb, Cd determination.
Parameter | Analytical conditions | ||
---|---|---|---|
As | Pb | Cd | |
Mode | KED | Standard | Standard |
Mass (amu) | 74.9216 | 205.975 | 109.903 |
206.976 | 110.904 | ||
207.977 | 112.905 | ||
113.904 | |||
Dwell Time per amu (ms) | 50 | ||
Integration Time (ms) | 1000 | ||
Detector Calibration Mode | Dual | ||
Replicates | 5 | ||
Internal Standard | 50 μg/L of indium in 2% HNO3 |
KED–kinetic energy discrimination.