This standard was last reviewed and confirmed in 2019.
Therefore this version remains current.
Abstract
PreviewBased on dissolution of a test sample in water, distillation of the ammonia after displacement by an alkali solution. Absorption in an excess of standard volumetric sulphuric acid solution and back-titration with standard volumetric sodium hydroxide solution in the presence of methyl red/methylene blue mixed indicator. A typical distillation apparatus is shown in a figure.
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Status: PublishedPublication date: 1975-07
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Edition: 1Number of pages: 4
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- ICS :
- 71.060.50 Salts
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| Format | Language | |
|---|---|---|
| std 1 40 | ||
| std 2 40 | Paper |
- CHF40
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