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Homepage>ISO Standards>ISO 5521:1981-Fruits, vegetables and derived products — Qualitative method for the detection of sulphur dioxide
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download between 0-24 hoursReleased: 1981
ISO 5521:1981-Fruits, vegetables and derived products — Qualitative method for the detection of sulphur dioxide

ISO 5521:1981

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

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Standard´s number:ISO 5521:1981
Pages:2
Edition:1
Released:1981
DESCRIPTION

ISO 5521:1981


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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