ISO 6632:1981

Published (Edition 1, 1981)

This publication was last reviewed and confirmed in 2025. Therefore this version remains current.

ISO 6632:1981

CHF 65

Convert Swiss francs (CHF) to your currency

Abstract

The method consists in acidifying a test portion with tartaric acid, entraining the volatile acids by steam distillation and titrating the distillate with standard volumetric sodium hydroxide solution in the presence of phenolphthalein as an indicator. The method is applicable to all fresh products, to products preserved without chemical preservatives, and to products to which sulphur dioxide has been added.

General information

Status
: Published

Publication date
: 1981-11

Stage
: International Standard confirmed [90.93]
Edition
: 1

Number of pages
: 9
Technical Committee :
ISO/TC 34/SC 3

ICS :
67.080.01
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