This standard was last reviewed and confirmed in 2022.
Therefore this version remains current.
Abstract
PreviewDescribes a method based on prior conversion of the sulphur compounds in a test portion to sulphate, if required, and reduction of the sulphate ions ti hydrogen sulphide by a mixture of hydriodic and phosphinic acids in the presence of hydrochloric acid. The hydrogen sulphide is entrained in a current of nitrogen and absorbed in a solution of sodium hydroxide in aqueous acetone, followed by titration of the sulphide ions with standard volumetric mercury(II) acetate or nitrate solution in the presence of 1,5-diphenyl-3-thiocarbazone (dithiozone) as indicator.
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Status: PublishedPublication date: 1980-11
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Edition: 1Number of pages: 7
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- ICS :
- 71.040.40 Chemical analysis
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| Format | Language | |
|---|---|---|
| std 1 61 | ||
| std 2 61 | Paper |
- CHF61
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