Thermo Scientific iCAP Qnova Series, Pre-Installation Requirements Manual

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Consumables
Gas Supply iCAP TQ/TQs ICP-MS
Thermo Scientific iCAP Qnova Series ICP-MS Pre-Installation Requirements Guide (P/N BRE0006946, Revision A) 5-25
Oxygen
For the analysis of organic solvents, the use of oxygen may be required.
The gas requirements are detailed in
Table 5-24 .
Pure Nitrogen or Mixtures with Helium and/or Argon
For the analysis of organic solvents, the use of nitrogen may be required.
The gas requirements are detailed in
Table 5-25 .
Methane Mixtures with Argon
The gas requirements are detailed in Table 5-26 .
Table 5-24. Additional gas requirements for oxygen
Gas Requirement Specification
Purity 99.995% or better
Maximum Water Content 5 ppmv
Supply Rate max. 1 L/min
Pressure Regulator Output max. 1 bar using a two-stage
pressure regulator (200 bar to
3 bar)
NOTICE
A temperature of the spray chamber down to -10 °C will be required
for the analysis of organic solvents. This is controlled via the Peltier
cooler.
Table 5-25. Additional gas requirements for nitrogen
Gas Requirement Specification
Purity 99.996% or better
Maximum Water Content 5 ppmv
Supply Rate max. 1 L/min
Pressure Regulator Output max. 1 bar using a two-stage
pressure regulator (200 bar to
3 bar)
NOTICE
The maximum content of methane is 4.5%.
Table 5-26. Additional gas requirements for methane
Gas Requirement Specification
Purity 99.996% or better
Maximum Water Content 5 ppmv