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SRPS ISO 5523:2003

Liquid fruit and vegetable products — Determination of sulphur dioxide content (Routine method)

Jan 21, 2003
Jan 21, 2003

General information

90.93     Mar 29, 2023

90.20    Jan 15, 2028

ISS

E034-3

International Standard

67.080.01  

Serbian  

Terms

Buying

Published

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Scope

The determination of free sulphur dioxide consists in direkt iodometric titration of the product at a pH between 0,7 and 1, followed by blank titration of the product, freed from sulphur dioxide by boiling under reflux or by binding its free sulphur dioxide content with an exess of acetaldehyde or propioaldehyde. The bond sulphur dioxide is determined after titration of free compound, rendering of the produkt alkaline and titration of the sulphur dioxideliberated by hydrolysis with iodine in an acid medium.

Life cycle

NOW

PUBLISHED
SRPS ISO 5523:2003
90.93 Standard confirmed
Mar 29, 2023

Related project

Adopted from ISO 5523:1981