Active standard | Published: 01/08/1981

ISO 5521:1981

Fruits, vegetables and derived products — Qualitative method for the detection of sulphur dioxide
(Fruits, légumes et produits dérivés — Méthode qualitative de recherche du dioxyde de soufre)

Available languages: English, French

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 5521:1981

Publication date: 01/08/1981

Pages: 2

Country: International technical standard

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Anotation

Description / Abstract: 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.

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