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ISO 1388-12:1981

Ethanol for industrial use — Methods of test — Part 12: Determination of permanganate time ISO 1388-12:1981

Publication date:   Dec 1, 1981

General information

90.93 Standard confirmed   Nov 29, 2023

ISO

ISO/TC 47 Chemistry

International Standard

71.080.60   Alcohols. Ethers

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Scope

The principle is based on the addition of a test portion, under specified conditions, of potassium permanganate solution. Determination of the time taken for the colour of this test solution to match that of a cobalt(II) chloride and uranyl nitrate colour standard. - International Standards ISO 1388/1 to ISO 1377/12 cancel and replace ISO Recommendation R 1388-1970 of which they constitute a technical revision.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO/R 1388:1970

NOW

PUBLISHED
ISO 1388-12:1981
90.93 Standard confirmed
Nov 29, 2023