Abstract
The principle consists in a titration of a test portion with a standard volumetric sodium hydroxide solution, using phenolphthalein as indicator. ISO/R 731 has been subdivised into seven parts. ISO 731/2 replaces clause 3 of ISO Recommendation R 731-1968.
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Status: WithdrawnPublication date: 1977-02
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Edition: 1Number of pages: 2
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- ICS :
- 71.080.40 Organic acids
Life cycle
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