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ISO 5522:1981

Fruits, vegetables and derived products — Determination of total sulphur dioxide content

Sep 1, 1981

General information

90.93     Jan 13, 2022

ISO

ISO/TC 34/SC 3

International Standard

67.080.01  

French   English  

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Published

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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

National adoptions

SRPS ISO 5522:2003  
ISS

Fruits, vegetables and derived products — Determination of total sulphur dioxide content

90.93   Standard confirmed

E034-3 more