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ISO 756-2:1981

Propan-2-ol for industrial use — Methods of test — Part 2: Determination of acidity — Titrimetric method ISO 756-2:1981

Publication date:   Dec 1, 1981

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

71.080.60   Alcohols. Ethers

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Scope

The principle consists in dilution of a test portion with carbon dioxide-free water, titration of the acidity with standard volumetric sodium hydroxide solution, in the presence of phenolphthalein as indicator. The method is applicable to products having an acidity, expressed as acetic acid, equal to or greater than 0,0006 % (m/m).

Life cycle

PREVIOUSLY

WITHDRAWN
ISO/R 756:1968

NOW

WITHDRAWN
ISO 756-2:1981
95.99 Withdrawal of Standard
May 27, 2002




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