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ISO 1390-4:1977

Maleic anhydride for industrial use — Methods of test — Part 4: Determination of maleic anhydride content — Titrimetric method ISO 1390-4:1977

Publication date:   Jun 1, 1977

95.99 Withdrawal of Standard   May 27, 2002

General information

95.99 Withdrawal of Standard   May 27, 2002

ISO

ISO/TC 47 Chemistry

International Standard

71.080.50   Anhydrides

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Scope

The principle consists in the dissolution of a test portion in diluted standard volumetric sodium hydroxide solution and titration with standard volumetric sodium hydroxide solution in presence of phenolphthalein as indicator. - ISO 1390, Parts 1 to 6, replace ISO Recommendation R 1390-1970.

Life cycle

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WITHDRAWN
ISO 1390-4:1977
95.99 Withdrawal of Standard
May 27, 2002