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gong de jian ce
Author(s): 
Pages: 28
Year: Issue:  1
Journal: Occupation and Health

Keyword:  酸性高锰酸钾测汞仪汞离子原子态汞蒸气原子吸收法紫外光三种方法环境监测氧化亚锡;
Abstract: <正> (一)环境监测:介绍三种方法 1.测汞仪法(亦称原子吸收法):空气中汞被酸性高锰酸钾溶液吸收氧化成汞离子,汞离子被氧化亚锡还原成原子态汞后,用载气将汞由溶液中吹出,利用汞蒸气对2537(?)紫外光有强烈的吸收作用进行测量。采样与分析:于大气泡或吸收管中装入0.1 N
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