氢化物发生-原子荧光法测定亚硝酸钠中砷含量  

Determination of arsenic in sodium nitrite by hydride generation atomic fluorescence spectrometry

作　　者：李俊伟[1] 王滨生[1] 张景东[1] 胡友波[1] 

机构地区：[1]黑龙江省分析测试中心,黑龙江哈尔滨150050

出　　处：《化学工程师》2005年第8期32-34,共3页Chemical Engineer

摘　　要：应用氢化物发生-原子荧光法对亚硝酸钠中砷含量进行测定.分析了分析测定条件.方法简便、快速.测定砷的线性范围为0～40μg·L-1,相关0.9999.应用于样品测定,测定结果的相对偏差小于1.20%.加标回收率为98.8%～103.5%.Arsenic in sodium nitrite was determined by hydride generation atomic fluorescence spectrometry with analyzing determining conditions. The method is simple and rapid. The linear range is 0 - 40μg· L^- 1 with the correlative coefficient of 0. 9999, The method was applied to the determination of sodium nitrite. The recovery is 98.8% - 103.5% with RSD being less than 1.20%.

关 键 词：氢化物发生-原子荧光法 亚硝酸钠 砷 测定 

分 类 号：O557.31[理学—热学与物质分子运动论]