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硼氢化钾还原冷原子荧光测定大米中的汞
引用本文:毛荐,刘忠胜.硼氢化钾还原冷原子荧光测定大米中的汞[J].吉林地质,2011,30(3):94-95.
作者姓名:毛荐  刘忠胜
作者单位:1. 吉林省第一地质调查所,吉林长春,130033
2. 吉林省地质科学研究所,吉林长春,130012
摘    要:本方法采用硝酸-过氧化氢微波消解,硼氢化钾还原冷原子荧光测定大米中的汞,消解液无需赶酸,直接测汞,方法简便快捷,实验检出限浓度为0.024μg/L,线性范围0~40 ng/ml,经国家一级标准物质验证,方法准确可靠。

关 键 词:硼氢化钾还原  冷原子荧光  大米  

Determination of mercury in rice by potassium borohydride reduction cold vapor atomic fluorescence
MAO Jian,LIU Zhong-sheng.Determination of mercury in rice by potassium borohydride reduction cold vapor atomic fluorescence[J].Jilin Geology,2011,30(3):94-95.
Authors:MAO Jian  LIU Zhong-sheng
Institution:1.The First Geological Survey of Jilin Province,Changchun 130033,Jilin,China;2.Institute of Geological Sciences of Jilin Province,Changchun 130012,Jilin,China
Abstract:This method uses nitric acid-hydrogen peroxide microwave digestion,potassium borohydride reduction of rice in cold vapor atomic fluorescence of mercury,acid digestion solution without the need to catch,direct measurement of mercury,the method is quick and easy experimental detection limit concentration of 0.024 μg / L,the linear range of 0 ~ 40 ng / ml,The method is accurate and reliable verified by the national standard.
Keywords:potassium borohydride reduction  cold vapor atomic fluorescence  rice  mercury
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