Abstract
Based 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: WithdrawnPublication date: 1975-07
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Edition: 1Number of pages: 4
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- ICS :
- 71.060.50 Salts
Life cycle
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