ISO 6637:1984 水果、蔬菜及其制品.汞含量的测定.无焰原子吸收法
标准编号:ISO 6637:1984
中文名称:水果、蔬菜及其制品.汞含量的测定.无焰原子吸收法
英文名称:Fruits, vegetables and derived products — Determination of mercury content — Flameless atomic absorption method
发布日期:1984-05
标准范围
该方法包括在硫酸-硝酸介质中分解有机物,通过氯化锡(II)的作用将汞(II)还原为金属汞,通过气流夹带汞蒸汽,并在封闭仪器中测定。
The method consists in decomposing of organic matter in a sulfuric-nitric acid medium, reducing of mercury(II) to metallic mercury by the action of tin(II)chloride, entraining of the mercury vapour by a current of air and determing in an enclosed apparatus.
标准预览图


