ISO 3423:1975

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 of products the SO2 content of which is equal to or more than 2 mg/kg. Based on the displacement of the sulphur dioxide present in the test portion by a current of pure nitrogen and absorption in a known volume of iodine solution. Titration of the excess of iodine with standard volumetric sodium thiosulphate solution. The diagram of the glass apparatus for absorption is shown in a figure.

General information

Status
: Published

Publication date
: 1975-11

Stage
: International Standard confirmed [90.93]
Edition
: 1

Number of pages
: 3
Technical Committee :
ISO/TC 47

ICS :
71.060.30
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