Table 2.
Optimal measurement conditions of iron and zinc analysis by the ICP-MS method.
| Parameter | Description |
|---|---|
| Spray Chamber | Scott, Quartz |
| Atomizer | Coaxial (Mainhardt) |
| Plasma torch | Quartz |
| Sampling cone | Nickel |
| The forming cone | Nickel |
| Frequency of the generator | 40 MHz |
| Resolution of mass signals | (0.7 ± 0.05) AMU 1 |
| Generator power | 1600 W |
| Deflector voltage | −9 V |
| Voltage on the analog detector | −1800 |
| Voltage on the pulse detector | 950 V |
| Plasma gas flow | 18.00 L/min |
| Auxiliary gas flow | 1.2 L/min |
| The flow of atomizing gas | 1.03 L/min |
| Stop time | 50 ms |
| Number of sweeps | 20 |
| Number of repetitions | 3–5 |
| Solution dispensing speed | 1 mL/min |
1 Atomic mass unit.