ISO 1904:1972

Liquefied phenol for industrial use — Determination of phenols content — Bromination method

Publication date:   Mar 1, 1972

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

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Scope

The method is not specific for phenol. It determines tho total amount of material that can be brominated under the conditions of the test. It is applicable to mixtures of about 80 % (V/V) phenol and 20 % (V/V) water. The principle is based on reaction between phenol and bromine from a measured amound of standard bromide/bromate solution. Formation of tribromophenol, follwed by iodometric determination for excess bromine using a standard volumetric solution of sodium thiosulphate.

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WITHDRAWN
ISO 1904:1972
95.99 Withdrawal of Standard
May 27, 2002