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MS ISO 6326-3:1997 (CONFIRMED:2012)
Gas analysis - Determination of sulphur compounds - Part 3: Determination of hydrogen sulfide, mercaptan sulfur and carbonyl sulfide sulfur by potentiometry
This Malaysian Standard specifies a potentionmetric method for the determination of hydrogen sulfide, mercaptan Sulfur, and carbonyl sulfide Sulfur in natura1 gas in the concentration range equal to or above 1 mg/m3. The gas must be free of dust, mist, Oxygen, hydrogen cyanide and carbon disulfide. The hydrogen suIfide/mercaptan Sulfur ratio and also the mercaptan sulfur/hydrogen sulfide ratio should not exceed 50 : 1. The method is not recommended for gases containing more than approximately 1.5 % ( Vl V carbon dioxide).
NOTE - In all Parts of ISO 6326, 1 m3 of gas is expressed at normal conditions (0 C; 101,325 kPaL)
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08/08/2019
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NSC 08 - Petroleum & Gas
75.060
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