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ICP-OES operating conditions for each analyzed metal.
| Parameter | Conditions | Metals | Wavelength (nm) |
|---|---|---|---|
| RF power (W) | 1500 w | Cd | 228.802 |
| Plasma gas flow rate (L/min) | 8 | Pb | 220.353 |
| Auxiliary gas flow rate (L/min) | 0.2 | Cu | 327.393 |
| Nebulizer gas flow rate (L/min) | 0.7 | Mn | 257.610 |
| Plasma view | Axial | ||
| Sample flow rate (L/min) | 1 |
