Natural gas -- Determination of sulfur compounds -- Part 4: Gas chromatographic method using a flame photometric detector for the determination of hydrogen sulfide, carbonyl sulfide and sulfur-containing odorants
This standard has been revised by ISO 19739:2004
The method specified uses a single temperature-programmed column, and a sulfur-selective flame photometric detector. It is applicable to the determination of hydrogen sulfide, carbonyl sulfide, C1 - C4 thiols and sulfides and tetrahydrothiophene, generally in the range 0,5 µmol/mol to 50 µmol/mol. It is also applicable to the quantitative determination of sulfur compounds other than hydrogen sulfide, when hydrogen sulfide is present at concentrations up to 5000 µmol/mol.
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