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Author:
Journal / Book Title:
Year:
Volume:
Issue:
gong de jian ce
Author(s):
LIU Zuoli
Pages:
28
Year:
1988
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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