氢化物发生-原子吸收光谱法测定次磷酸钠中微量铅  

Determination of Trace Lead in Sodium Hypophosphite by Hydride Generation-Atomic Absorption Spectrometry

作　　者：吴政宙[1] 孔志明[1] 

机构地区：[1]张家港出入境检验检疫局,江苏省张家港市港区镇215633

出　　处：《光谱实验室》2001年第5期665-667,共3页Chinese Journal of Spectroscopy Laboratory

摘　　要：用氢化物发生 -原子吸收光谱法对电子级次磷酸钠中微量铅进行定量检测 ,方法快捷、简便 ,重现性好 ,检出限为 1μg/ L,回收率为 95 %— 10 4 %,相对标准偏差 <2 .6%。The determination of trace lead in electronic sodium hypophosphite by atomic absorption spectrometry was described.The method is rapid and simple with good reproducibility.The detection limit is lμg/L,the recoveries are in the range of 95%_104% and the relative standard deviation is less than 2.6% .The method has been applied to the determination of trace lead in food grade sodium hypophosphite with satisfactory results.

关 键 词：铅 次磷酸钠 氢化物发生 原子吸收光谱法 测定 微量分析 

分 类 号：TQ134.33[化学工程—无机化工]