ISO 5521:1981
Fruits, vegetables and derived products; Qualitative method for the detection of sulphur dioxide

Standard No.

ISO 5521:1981

Release Date

1981

Published By

International Organization for Standardization (ISO)

Latest

ISO 5521:1981

Scope

The method is applicable to products having contents of 2 mg or more per kilogram. It consists in acidification of a test portion and decolourizing by the liberated gas of a starch indicator paper previously coloured blue by a trace of iodine vapour.

ISO 5521:1981 history

• 1981 ISO 5521:1981 Fruits, vegetables and derived products; Qualitative method for the detection of sulphur dioxide