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ISO 753-7:1981

Acetic acid for industrial use — Methods of test — Part 7: Determination of dichromate 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 heating a test portion with an excess of potassium dichromate solution in the presence of sulphuric acid. Iodometric titration of the residual potassium dichromate. The method is applicable to products having dichromate inexes equal to or greater than 0,04 ml. It has also been approved by the International Union of Pure and Applied Chemistry (IUPAC). ISO 753/1 to ISO 753/11 cancel and replace ISO Recommendation R 753-1968.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO/R 753:1968

NOW

WITHDRAWN
ISO 753-7:1981
95.99 Withdrawal of Standard
May 27, 2002

National adoptions

SRPS H.B8.218:1985  
ISS

Acetic acid for industrial use — Methods of test — Part 7: Determination of dichromate index

90.92   Standard to be revised

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