ISO 6974-4 : 2000(R2010)现行
NATURAL GAS - DETERMINATION OF COMPOSITION WITH DEFINED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 4: DETERMINATION OF NITROGEN, CARBON DIOXIDE AND C[1] TO C[5] AND C[6+] HYDROCARBONS FOR A LABORATORY AND ON-LINE MEASURING SYSTEM USING TWO COLUMNS
出版：International Organization for Standardization
专家解读视频
Covers a gas chromatographic procedure for quantitative determining of natural gas constituents by means of a two-column system. Applies to determinations made in on-line processes or in the laboratory. Applies to the analysis of gas containing constituents within the mode fraction ranges in Table 1. USE IN CONJUNCTION WITH PARTS 1 & 2 OF ISO 6974.
PN EN ISO 6974-4 : 2006 - Identical
NEN ISO 6974-4 : 2000 - Identical
SS-EN ISO 6974-4:2002 - Identical
DS EN ISO 6974-4 : 2001 - Identical
SAC GB/T 27894-4 : 2012 - Identical
BS ISO 6974-4 : 2000 AMD 13838 - Identical
BIS IS 15130-4 : 2002 - Identical
