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download between 0-24 hoursReleased: 1981
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.