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ISO 1897-7:1977

Phenol, o-cresol, m-cresol, p-cresol, cresylic acid and xylenols for industrial use — Methods of test — Part 7: Measurement of colour (Cresylic acid and xylenols only) ISO 1897-7:1977

Publication date:   Apr 1, 1977

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

71.080.90   Phenols | 71.080.40   Organic acids

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Scope

Specifies a method for the comparison of the colour of a test portion against the colour of colorimetric standard colour matching solutions. The colour of cresols present in the test portion is liable to darken on keeping and on exposure to ligth. ISO 1897/7 replaces ISO Recommendation R 1909-1971.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO/R 1909:1971

NOW

WITHDRAWN
ISO 1897-7:1977
95.99 Withdrawal of Standard
May 27, 2002