Table 1.
Instrumental operating conditions and data acquisition settings.
| Mode of operation |
||
|---|---|---|
| Operating conditions | Pre-concentration | Elution |
| RF power (W) | 1550 | 1550 |
| RF matching (V) | 1.74 | 1.74 |
| Sample depth (mm) | ∼10 | ∼10a |
| Nebulizer, carrier gas flow (L min−1) | 0 | ∼1.25a |
| Nebulizer, make up gas flow (L min−1) | 0.30 | ∼0.15a |
| Collision gas (He) flow (L min−1) | 0 | ∼3.5a |
| Detection mode | Spectral | Spectral |
| Peaks per mass | 1 | 1 |
| Integration time (s) | 0.1 | 0.1 |
| Repetitions | 25 | 25 |
| Masses detected | 193Ir | 51V, 55Mn, 58Ni, 59Co, 60Ni, 61Ni, 62Ni, 63Cu, 64Zn, 65Cu, 66Zn, 72Ge, 75As, 103Rh, 111Cd, 113Cd, 193Ir, 206Pb, 207Pb, 208Pb |
a
Adjusted daily to an oxide level <1%.