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Analyte, internal standards, equations, and DRC parameters.
| Isotope | Internal standard | Equation | Mode (DRC or vented) | Gas | Flow rate (mL min−1) | RPq | RPa |
|---|---|---|---|---|---|---|---|
| 80Se | 130Te | None | DRC, Channel A | CH4 | 0.84 | 0.65 | 0 |
| 55Mn | 103Rh | None | DRC, Channel B | O2 | 1.2 | 0.6 | 0 |
| 202Hg | 130Te | +200Hg | DRC, Channel B | O2 | 1.2 | 0.6 | 0 |
| 114Cd | 193Ir | −0.027250*118Sn | Vented | NA | NA | 0.25 | 0 |
| 208Pb | 193Ir | +206Pb, +207Pb | Vented | NA | NA | 0.25 | 0 |
