ISO 2993:1974

Status : Published (Under review)

This standard was last reviewed and confirmed in 2019. Therefore this version remains current.

	Format	Language
std 1 40	PDF
std 2 40	Paper

CHF40

Convert Swiss francs (CHF) to your currency

Abstract

Applicable to products having a free acidity, expressed as H2 SO4 , equal to or more than 0.01 % (m/m). Dissolution of a test portion in Water and titration with standard volumetric sodium hydroxide solution in the presence of an indicator. The indicator must have a colour change in the pH range between 5.2 and 5.6. Has also been approved by the IUPAC.

General information

Status
: Published

Publication date
: 1974-04

Stage
: International Standard confirmed [90.93]
Edition
: 1

Number of pages
: 2
Technical Committee :
ISO/TC 47

ICS :
71.060.50
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