ISO 6634-1982 标准详情
- 标准号:ISO 6634-1982
- 中文标题:水果、蔬菜及其制品 砷含量的测定 二乙基二硫代氨基甲酸银分光光度法
- 英文标题:Fruits, vegetables and derived products; Determination of arsenic content; Silver diethyldithiocarbamate spectrophotometric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1982-12
The method consists in decomposing a test portion, reducing arsenic (V) to arsenic (III) with tin(II) chloride and transforming the arsenic into arsine by action of nascent hydrogen, forming a red coloured complex by the action of the arsine on silve
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