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ISO 753-6:1981

Acetic acid for industrial use — Methods of test — Part 6: Determination of permanganate index

Oct 1, 1981
95.99   Withdrawal of Standard   May 27, 2002

General information

95.99     May 27, 2002

ISO

ISO/TC 47

International Standard

71.080.40  

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Scope

The principle consists in reaction of a test portion, under specified conditions, with an excess of potassium permanganate solution in the presence of dilute sulphuric acid. Iodometric titration of the residual potassium permanganate. The method is applicable to products having permanganate indexes equal to or greater than 10 mg/100 ml. It has also been approved by the International Union of Pure and Applied Chemistry (IUPAC). ISO 753/1 to ISO 753/11 cacel and replace ISO Recommendation R 753-1968.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO/R 753:1968

NOW

WITHDRAWN
ISO 753-6:1981
95.99 Withdrawal of Standard
May 27, 2002