氢化物发生-原子荧光法在煤中砷测定的应用探析
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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.
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.
引文
[1]全国煤炭标准化技术委员会.煤中砷的测定方法:GB/T 3058—2008.[S].北京:中国标准出版社,2009:09.
[2] International Organization for Standardization. Solid mineral fuels-Determination of arsenic and seleniumEschka’ smixture and hydride generation method:ISO11723:2016[S]. Switzerland:International Organization for Standardization,2016:11.
[3] American National Standard Orgnization. Standard. Test Method for Determination of Arsenic and Selenium in Coal by the Hydride Generation/Atomic Absorption Method:ASTM D4606-15[S]. USA:American National Standard Orgnization,2015:12.
[4]倪海燕,罗琦林.试论原子荧光现状与发展[J].化工时刊,2008,22(5):47-48.
[5]李刚,胡斯宪,陈琳玲.原子荧光光谱分析技术的创新与发展[J].岩矿测试,2013,32(3):358-376.
[6]皮中原,李英华,史红霞,等.氢化物发生技术在煤炭分析中的应用[J].洁净煤技术,2003,9(3):55-58.
[7]刘斌.氢化物发生-原子荧光光谱法的研究进展[J].化工技术与开发,2012,41(5):18-22.
[8]杨莉丽,李娜,张德强等.氢化物发生-双道原子荧光光谱法在我国的应用研究进展[J].光谱实验室,2004,21(1):102-105.
[9]张锦茂,梁敬,董芳.中国30多年来原子荧光光谱仪器的发展与应用[J].中国无机分析化学,2013,3(4):1-10.
[10]张瑾,徐晓军,刘宇奇,等.微量砷的测定方法概述[J].贵州化工,2009,34(6):24-26.
[11]舒永红,何华焜.原子吸收和原子荧光光谱分析[J].分析实验室,2007(8):106-122.
[2] International Organization for Standardization. Solid mineral fuels-Determination of arsenic and seleniumEschka’ smixture and hydride generation method:ISO11723:2016[S]. Switzerland:International Organization for Standardization,2016:11.
[3] American National Standard Orgnization. Standard. Test Method for Determination of Arsenic and Selenium in Coal by the Hydride Generation/Atomic Absorption Method:ASTM D4606-15[S]. USA:American National Standard Orgnization,2015:12.
[4]倪海燕,罗琦林.试论原子荧光现状与发展[J].化工时刊,2008,22(5):47-48.
[5]李刚,胡斯宪,陈琳玲.原子荧光光谱分析技术的创新与发展[J].岩矿测试,2013,32(3):358-376.
[6]皮中原,李英华,史红霞,等.氢化物发生技术在煤炭分析中的应用[J].洁净煤技术,2003,9(3):55-58.
[7]刘斌.氢化物发生-原子荧光光谱法的研究进展[J].化工技术与开发,2012,41(5):18-22.
[8]杨莉丽,李娜,张德强等.氢化物发生-双道原子荧光光谱法在我国的应用研究进展[J].光谱实验室,2004,21(1):102-105.
[9]张锦茂,梁敬,董芳.中国30多年来原子荧光光谱仪器的发展与应用[J].中国无机分析化学,2013,3(4):1-10.
[10]张瑾,徐晓军,刘宇奇,等.微量砷的测定方法概述[J].贵州化工,2009,34(6):24-26.
[11]舒永红,何华焜.原子吸收和原子荧光光谱分析[J].分析实验室,2007(8):106-122.