Standard

ISO 1388-4:1981

Dec 1981 Published

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Abstract

The method is applicable to products having carbonyl compounds contents equal to or greater than 0.01 % (m/m). The method only allows determination of those carbonyl compounds which react under the specified conditions. The principle is based on the reaction of hydroxylammonium chloride with the carbonyl compounds in a test portion and titration of the hydrochloric acid formed with standard volumetric sodium hydroxide solution, in the presence of bromophenol blue as indicator. - International Standards ISO 1388/1 to ISO 1377/12 cancel and replace ISO Recommendation R 1388-1970 of which they constitute a technical revision.

Document information

Standard from ISO
Published: 1 December 1981
Edition: 1
Version: 1
Document type: IS
ISBN:

ICS 71.080.60
ISO TC ISO/TC 47

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Revises: ISO/R 1388:1970

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ISO 1388-4:1981

ISO 1388-4:1981

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ISO 1388-4:1981

ISO/R 1388:1970

Abstract

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ISO 1388-4:1981

ISO/R 1388:1970

Abstract

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