ISO 5522-1981 标准详情
- 标准号:ISO 5522-1981
- 中文标题:水果、蔬菜及其制品 二氧化硫总含量的测定
- 英文标题:Fruits, vegetables and derived products; Determination of total sulphur dioxide content
- 标准类别:国际标准化组织标准ISO
- 发布日期:1981-09
The method consists in acidifying and heating a test portion, entraining, in a current of nitrogen, the gas liberated, absorbing and oxidizing the gas by bubbling it through a neutral, dilute hydrogen peroxide solution, then determining the sulphuric
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