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ISO 753-9:1981

Acetic acid for industrial use — Methods of test — Part 9: Visual limit test for inorganic sulphates

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

Specifies a method for a visual comparison of the turbitity obtained by adding a barium chloride solution to a solution of a test portion acidified with hydrochloric acid, with that similarly obtained from a sulphate solution of known concentration. Using a test portion of 100 g, the method is applicable directly to products having inorganic sulphate contents in the range 0,001 % (m/m) to 0,1 % (m/m). This range can be extended by adjusting the mass of the test portion. 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WITHDRAWN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WITHDRAWN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 753-9:1981
95.99 Withdrawal of Standard
May 27, 2002

National adoptions

SRPS H.B8.214:1985  
ISS

Acetic acid for industrial use — Methods of test — Part 9: Visual limit test for inorganic sulphates

90.92   Standard to be revised

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