火焰原子吸收光谱法测定碲化铜中低含量的银  

Determination of Low Content Silver in Copper Telluride by Flame Atomic Absorption Spectrometry

作　　者：任月凤 韩晓 史博洋 Ren Yuefeng;Han Xiao;Shi Boyang(BGRIMM MTC Technology Co.,Ltd.,Beijing 102628,China)

机构地区：[1]北矿检测技术股份有限公司,北京102628

出　　处：《山西化工》2023年第10期30-31,37,共3页Shanxi Chemical Industry

基　　金：十四五国家重点研发计划(2021YFC2903101)。

摘　　要：本实验讨论了火焰原子吸收光谱测定碲化铜中银的含量,研究了试样溶解的最佳方法,介质的选择及加入量,确定了实验的最佳条件及工作曲线。加标回收率实验中银的回收率在97.3%~102%,相对标准偏差0.50%~1.35%。结果表明,采用火焰原子吸收光谱法测定碲化铜中银含量,方法准确度高,精密度好,具有较强的实用性。经标准物质验证,结果能满足日常检测的需求。This experiment discussed the determination of silver content in copper telluride by flame atomic absorption spectroscopy,studied the optimal method for sample dissolution,medium selection and addition amount,and determined the optimal conditions and working curve of the experiment.In the spiked recovery experiment,the recovery rate of silver ranged from 97.3%to 102%,with a relative standard deviation of 0.50%to 1.35%.The results indicate that using flame atomic absorption spectroscopy to determine the silver content in copper telluride has high accuracy,good precision,and strong practicality.After verification with standard materials,the results can meet the needs of daily testing.

关 键 词：碲化铜 银 原子吸收光谱仪 

分 类 号：O657.31[理学—分析化学]