Research Article
New Possibility for REE Determination in Oil
Table 3
Instrumental parameters for determination of metals by ICP-MS.
| Forwarded power | 1200 W | Analog stage voltage | −1800 V | Pulse stage voltage | 1100 V | Argon consumption | | Plasma generating flow | 15 L/min | Auxiliary flow | 0.8 L/min | Carrier flow | 1.4 L/min | Sample consumption | 0.5 mL/min | Peak resolution | ~0.6 amu | Detector operating modes | Pulse count and analog | Speed of peristaltic pump | 24 rpm | Spray chamber | Cooling (4°C) quartz | Mass range | 27–238 amu | Sweeps/reading | 40 | Replicates | 3 | Dwell time | 50 ms | Scan mode | Peak hopping | Abundance sensitivity | | Low mass | <5·10−7 | High mass | <1·10−7 |
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