INFICON Checkout Gases and Replacement Parts | 13
074-594-P1H Micro GC Fusion Operating Manual 303 / 319
13.1.2 Natural Gas Checkout Gas
Natural gas checkout gas simulates the content of pipeline quality natural gas. It
contains fixed gases and C1-C7 components in a methane balance. See the table
below for the component concentrations.
Natural gas checkout gas is not intended to be a substitute for a calibration
standard for any specific applications. INFICON recommends acquiring a
calibration standard gas that meets composition requirements appropriate for
the specific application.
Components Concentration (Mole %)
nitrogen 1.50%
methane balance
ethane 9.00%
carbon dioxide 1.50%
propane 6.00%
isobutane 3.00%
n-butane 2.00%
isopentane 1.00%
n-pentane 0.50%
n-hexane 0.10%
n-heptane 0.05%
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