Table 2. LA-ICP-MS operating conditions.
NWR-193 laser conditions | Agilent 8800 ICP-MS conditions | ||
---|---|---|---|
Wavelength (nm) | 193 | RF power (W) | 1,350 |
Helium carrier flow (l min−1) | 0.8 | Argon carrier flow (l min−1) | 0.6 |
Fluence (J cm−2) | 5.0 | Plasma gas flow (l min−1) | 15 |
Repetition rate (Hz) | 10 | Sample depth (mm) | 4.0 |
Spot size (μm) | 35 | Scan mode | Peak hopping |
Scan speed (μm s−1) | 35 | Integration time (ms) | 50–55 |
LA-ICP-MS, laser ablation-inductively coupled plasma mass spectrometry.