ASTM UOP 603 : 2012
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Trace CO and CO2 in Hydrogen and Light Gaseous Hydrocarbons by GC
Published date
01-10-2012
Superseded date
11-11-2014
Superseded by
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| DocumentType |
Standard
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| PublisherName |
American Society for Testing and Materials
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| Status |
Superseded
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| SupersededBy |
This method is for determining low concentrations (0.2 to 500 mol-ppm) of carbon monoxide (CO) and carbon dioxide (CO2) in high purity hydrogen, methane and other gas-phase samples. The lower limit of quantitation for CO and CO2 in samples containing high concentrations of hydrogen, nitrogen, and other gases, is 0.2 mol-ppm. For samples containing high methane concentrations, an analysis under a different valve configuration is necessary to resolve carbon dioxide from interfering methane.
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