ISO 5522:1981

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

Publication date: 1 sht 1981

General information

Current stage: 90.93 Effective date: 13 jan 2022

Originator: ISO

Owner: ISO/TC 34/SC 3

Type: International Standard

ICS: 67.080.01

Gjuha: frëngjisht anglisht

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Statusi: Publikuar

PDF - 7 123 Lekë

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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
13 jan 2022

REVISED BY

ABANDON
ISO/DIS 5522

National adoptions

SSH ISO 5522:1981

DPS

PFP- Përcaktimi i përmbajtjes së përgjthshme të dyoksidit të squfurit

60.60 Standard published

DPS/KT 275 më tepër

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