This standard was last reviewed and confirmed in 2019.
Therefore this version remains current.
Abstract
PreviewThe method consists in calcination of a test portion in the presence of sulphuric acid solution and weighing of the ash in form of sulphate.
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Status: PublishedPublication date: 1977-05
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Edition: 1Number of pages: 2
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- ICS :
- 71.100.40 Surface active agents
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en
| Format | Language | |
|---|---|---|
| std 1 40 | ||
| std 2 40 | Paper |
- CHF40
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