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Operating parameters of the ICP-MS.
| Parameter | Value |
|---|---|
| ICP-MS | |
| RF power (W) | 1125 |
| Plasma gas flow (L/min) | 15 |
| Nebulizer gas flow (L/min) | 0.76–0.82 |
| Auxiliary gas flow (L/min) | 1.15–1.16 |
| Nebulizer type | Cross flow |
| Plasma torch | Quartz |
| Scanning mode | Peak hopping |
| Dwell time (ms) | 100 |
| Sweeps/reading | 20 |
| Number of replicates | 3 |
| Rpq value | 0.65 |
| CH4 flow (mL/min) | 0.4 |
