International Organization for Standardization (ISO)
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ISO 6326-5:1989
Scope
Specifies a method for the determination of total sulphur in natural gas. It is applicable to gases with sulphur contents between 0,5 mg/m3 and 1 000 mg/m3. With a total sulphur content of more than 0,1 mg sulphur in the absorption solution, visual titration with an indicator can be chosen, whereas for lower contents turbidimetric titration is preferable.
ISO 6326-5:1989 history
1989ISO 6326-5:1989 Natural gas; determination of sulfur compounds; part 5: Lingener combustion method