ISO 5521-1981 标准详情
- 标准号:ISO 5521-1981
- 中文标题:水果、蔬菜及其制品 二氧化硫检出的定性法
- 英文标题:Fruits, vegetables and derived products; Qualitative method for the detection of sulphur dioxide
- 标准类别:国际标准化组织标准ISO
- 发布日期:1981-08
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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