电热板消解-动能歧视模式-电感耦合等离子体质谱法测定化探样品中银量  

Determination of Silver in Geochemical Samples by Hot Plate Digestion Kinetic Energy Discrimination Inductively Coupled Plasma Mass Spectrometry

作　　者：袁惠 Yuan Hui(Shaanxi Huatuo Testing Technology Co.,Ltd.,Shaanxi,721004)

机构地区：[1]陕西华拓检测科技有限公司,陕西721004

出　　处：《当代化工研究》2023年第18期34-36,共3页Modern Chemical Research

摘　　要：本文建立了电热板消解,利用动能歧视模式-电感耦合等离子体质谱法测定化探样品中银量的方法,确定了最佳消解时间与消解温度、质谱干扰与消除,得到银的方法检出限为0.009μg/g,相对标准偏差(n=7)在6.3%~9.6%之间,对数误差在-0.08~0.05之间,满足地质行业质量控制规范要求。该方法前处理简便、快速,且分析测试结果准确,适用于大批量化探样品的连续测定。In this paper,a hot plate digestion method was established to determine the amount of silver in geochemical samples using Kinetic energy discrimination mode-Inductively coupled plasma mass spectrometry,and the optimal digestion time,digestion temperature,and mass spectrum interference and elimination were determined.The detection limit of silver was 0.009μg/g,the relative standard deviation(n=7)was 6.3%~9.6%,and the logarithmic error was-0.08~0.05,which met the requirements of quality control specifications of the geological industry.This method is simple,rapid and accurate in pre-processing,which is suitable for continuous determination of large quantities of geochemical samples.

关 键 词：电热板消解 动能歧视模式 电感耦合等离子体质谱法 化探样品 银量 

分 类 号：O657.63[理学—分析化学]