ISO 7466:1986

Published (Edition 1, 1986)

This publication was last reviewed and confirmed in 2024. Therefore this version remains current.

ISO 7466:1986

CHF 42

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Abstract

The method comsists in preparing of a test solution by adding water to test portion, in the case of products containing more than 10 mg of free sulphur dioxide per litre, adding of acetaldhyde, then adding of p-toluidine and barbituric acid solution to an aliquot potion of the test solution, thus forming a red coloration by reaction with 5-hydroxymethylfurfural present, and spectrometric measuring at a wavelenght of 550nm.

General information

Status
: Published

Publication date
: 1986-09

Stage
: International Standard confirmed [90.93]
Edition
: 1

Number of pages
: 3
Technical Committee :
ISO/TC 34/SC 3

ICS :
67.080.01
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