0

ISO 5522:1981

Fruits, vegetables and derived products — Determination of total sulphur dioxide content ISO 5522:1981

Publication date:   Sep 1, 1981

General information

90.93 Standard confirmed   Jan 13, 2022

ISO

ISO/TC 34/SC 3 Fruits and vegetables and their derived products

International Standard

67.080.01   Fruits, vegetables and derived products in general

Buying

Published

Language in which you want to receive the document.

Scope

The method consists in acidifying and heating a test portion, entraining, in a current of nitrogen, the gas liberated, absorbing and oxidizing the gas by bubbling it through a neutral, dilute hydrogen peroxide solution, then determining the sulphuric acid thus formed using standard volumetric sodium hydroxide solution. Verification of the determination is described in the annexes A and B, respectively.

Life cycle

NOW

PUBLISHED
ISO 5522:1981
90.93 Standard confirmed
Jan 13, 2022

REVISED BY

ABANDON
ISO/DIS 5522