Thermo Scientific iCAP Qnova Series Pre-Installation Requirements Manual page 60

Consumables
Gas Supply iCAP RQ ICP-MS
Pure Oxygen or Mixtures with Helium and/or Argon
NOTICE
Pure Nitrogen or Mixtures with Helium and/or Argon
Methane Mixtures with Argon
NOTICE
5-14 iCAP Qnova Series ICP-MS Pre-Installation Requirements Guide (P/N BRE0006946, Revision A)
For the analysis of organic solvents, the use of oxygen may be required.
The gas requirements are detailed in
Table 5-12. Additional gas requirements for oxygen
Gas Requirement
Purity
Maximum Water Content
Supply Rate
Pressure Regulator Output
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.
For the analysis of organic solvents, the use of nitrogen may be required.
The gas requirements are detailed in
Table 5-13. Additional gas requirements for nitrogen
Gas Requirement
Purity
Maximum Water Content
Supply Rate
Pressure Regulator Output
The maximum content of methane is 4.5%.
The gas requirements are detailed in
Table 5-14. Additional gas requirements for methane
Gas Requirement
Purity
Maximum Water Content
Table 5-12.
Specification
99.996% or better
5 ppmv
max. 1 L/min
max. 1 bar using a two-stage
pressure regulator (200 bar to
3 bar)
Table 5-13.
Specification
99.996% or better
5 ppmv
max. 1 L/min
max. 1 bar using a two-stage
pressure regulator (200 bar to
3 bar)
Table 5-14.
Specification
99.996% or better
5 ppmv
Thermo Scientific