氢化物发生-原子荧光法在煤中砷测定的应用探析  

Application analysis of hydride generation-atomic fluorescence spectrometry method in determination of arsenic in coal

作　　者：富坤[1,2,3] FU Kun(China National Coal Quality Supervision and Testing Center,Beijing 100013,China;Test Branch of China Coal Research Institute Corporation Ltd.,Beijing 100013,China;State Key Laboratory of Coal Mining and Clean Utilization,Beijing 100013,China)

机构地区：[1]国家煤炭质量监督检验中心 [2]煤炭科学技术研究院有限公司检测分院 [3]煤炭资源高效开采与洁净利用国家重点实验室

出　　处：《煤质技术》2019年第2期36-38,共3页Coal Quality Technology

基　　金：煤炭科学技术研究院有限公司技术创新基金资助项目(2018CX03)

摘　　要：从原子荧光的产生、原子荧光分析等方面阐述氢化物发生-原子荧光光谱法测定煤中砷的原理,并从激发光源、进样反应系统、原子化器、光学系统及检测系统剖析了原子荧光光谱仪的基本结构,以图示、化学方程式和公式推导的方式对氢化物发生-原子荧光光谱法在煤质分析中的应用进行解析,采用该方法对国家标准物质中砷含量进行测定结果准确性验证,指出氢化物发生-原子荧光光谱法对提高煤质检测水平有较大的意义。From aspects such as production of atomic fluorescence and atomic fluorescence spectrometry analysis,the principle of hydride generation-atomic fluorescence spectrometry (HG-AFS) for the determination of arsenic in coal was explained,and from aspects such as excitation light source,sample feed and reaction system,atomicity machine,optical system and detection system,the basic structure of atomic fluorescence spectrometry was analyzed,through methods of illustration,chemical equations and formula derivation,the application analysis of hydride generation-atomic fluorescence spectrometry method in coal quality analysis was done,adopting this method,the accuracy verification of determination result of arsenic content in national standard material was done,it was indicated that hydride generation-atomic fluorescence spectrometry (HG-AFS) is of great significance in improving coal quality detection level.

关 键 词：氢化物发生-原子荧光光谱法 煤中砷 激发光源 进样反应系统 原子化器 光学系统 检测系统 准确性 

分 类 号：TQ533.6[化学工程—煤化学工程]