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ISO 731-2:1977

Formic acid for industrial use -- Methods of test -- Part 2: Determination of total acidity -- Titrimetric method

General information
Withdrawn from 27.05.2002
Directives or regulations
None

Standard history

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Date
Type
Name
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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