GSO ISO 6974-4:2009

ISO 6974-4:2000

Gulf Standard Current Edition · Approved on 11 February 2009

Natural gas-determination of composition with defined uncertainty by gas chromatography-part 4: determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for laboratory and on-line measuring system using two columns

GSO ISO 6974-4:2009 Files

English 12 Pages

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GSO ISO 6974-4:2009 Scope

This part of ISO 6974 describes a gas chromatographic method for the quantitative determination of natural gas constituents using a two-column system. This method is applicable to determinations made in on-line processes or in the laboratory. It is applicable to the analysis of gases containing constituents within the mole fraction ranges given in Table 1. These ranges do not represent the limits of detection, but the limits within which the stated precision of the method applies. Although one or more components in a sample may not be detected present, the method can still be applicable. This part of ISO 6974 is only applicable if used in conjunction with parts 1 and 2 of ISO 6974.