原子荧光光谱法测定钼酸铵中痕量铅  

Determination of Trace Lead in Ammonium Molybdate by Atomic Fluorescence Spectrometry

作　　者：蒙欢 陈秋芳[1] 郭媛 MENG Huan;CHEN Qiufang;GUO Yuan(Monitoring Center,Jinduicheng Molybdenum Co.,Ltd.,Xi′an 710077,Shaanxi,China)

机构地区：[1]金堆城钼业股份有限公司质量计量监测中心,陕西西安710077

出　　处：《中国钼业》2024年第3期57-59,共3页China Molybdenum Industry

摘　　要：介绍了一种采用原子荧光光谱仪测定钼酸铵中痕量铅的测定方法,该方法研究了检出限、精密度、加标回收率等,在选定的试验条件下,相关系数r=0.9997,检出限为0.000030%,精密度为5.19%,样品加标回收率在96.11%~103.58%,说明方法具有灵敏度高、线性关系好、精密度高、分析结果准确可靠等优点,可应用于钼酸铵中铅的准确测定。This paper introduces a method for the determination of trace lead in ammonium molybdate by atomic fluorescence spectrometer.The detection limit,precision and recovery rate of the method are studied.Under the selected test conditions,the correlation coefficient r=0.9997,the detection limit is 0.000030%,the precision is 5.19%,and the recovery rate of the sample is 96.11%~103.58%,ijdicating tnat the method has the advantages of high sensitivity,good linear relationship,high precision,accurate and reliable analysis results,and can be applied to the accurate determination of lead in ammonium molybdate.A method for the determination of trace lead in ammonium molybdate by atomic fluorescence spectrometer are introduced.The detection limit,precision and recovery rate of the method are studied.Under the selected test conditions,the correlation coefficient r=0.9997,the detection limit is 0.000030%,the precision is 5.19%,and the recovery rate of the sample is 96.11%~103.58%.The method has the advantages of high sensitivity,good linear relationship,high precision,accurate and reliable analysis results,and can be applied to the accurate determination of lead in ammonium molybdate.

关 键 词：原子荧光光谱法 钼酸铵 铅 测定 

分 类 号：O657.31[理学—分析化学]