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SRPS H.B8.418:1985

Phthalic anhydride for industrial use — Methods of test — Part 4: Measurement of colour after treatment with sulphuric acid

Aug 24, 1985
Aug 24, 1985
95.99   Withdrawal of Standard   Jan 28, 2013

General information

95.99     Jan 28, 2013

ISS

H047

International Standard

71.080.50  

Serbian  

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Scope

The test sample is treated with sulphuric acid solution in a conical flask in boiling water bath for 3 h. The colour is measured by the method specified in ISO 2211. The results are expressed in Hazen units. - ISO 1389, Parts 1 to 11, replace ISO Recommendation R 1389-1970.

Life cycle

NOW

WITHDRAWN
SRPS H.B8.418:1985
95.99 Withdrawal of Standard
Jan 28, 2013

Related project

Adopted from ISO 1389-4:1977