ISO 5521:1981 PDF
Fruits, vegetables and derived products — Qualitative method for the detection of sulphur dioxide
Fruits, vegetables and derived products — Qualitative method for the detection of sulphur dioxide
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 4
- Дата публикации:
- 1 августа 1981 г.
- Издание:
- ISO IS 5521 edition 1 version 1
- ICS:
- 67.080.01
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.
Abstract
Overview
ISO 5521:1981 is an international standard established by the International Organization for Standardization (ISO) that defines a . This method is designed to identify sulphur dioxide levels of 2 mg or more per kilogram (or per litre) in agricultural food products. Sulphur dioxide is commonly used as a preservative and antioxidant in fruit and vegetable processing but requires precise detection to ensure food safety and compliance with regulatory limits.
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