ISO 6636-1-1986 标准详情
- 标准号:ISO 6636-1-1986
- 中文标题:水果、蔬菜及其制品.锌含量的测定.第1部分:极谱法
- 英文标题:fruits, vegetables and derived products -- determination of zinc content -- part 1: polarographic method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1986-01-01
The method consists in ashing of a test portion in a muffle furnace at 525+25 C, treating the ash obtained with hydrochloric acid, neutralizing with ammonia solution and determing of the value using an ammonia/ammonium chloride electrolyte. Copper, t
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