卜兆杰,王晓旋,黄健强,谈昭君.X射线荧光光谱法测定萤石中CaF2、CaCO3、S、Fe及SiO2[J].中国无机分析化学,2017,7(3):55-58.
X射线荧光光谱法测定萤石中CaF2、CaCO3、S、Fe及SiO2
Pressed Powder Method for the determination of CaF2, CaCO3, S, Fe and SiO2 in Fluorite by XRF
投稿时间:2017-02-21  最后修改时间:2017-04-07
DOI:doi:10.3969/j.issn.2095-1035.2017.03.014
中文关键词:  萤石  氟元素  粉末压片法  x射线荧光光谱法
英文关键词:fluorite  fluorine  pressed powder method  XRF
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作者单位
卜兆杰 兰州兰石检测技术有限公司,甘肃 兰州730314
王晓旋 兰州兰石检测技术有限公司,甘肃 兰州730314
黄健强 兰州兰石检测技术有限公司,甘肃 兰州730314
谈昭君 兰州兰石检测技术有限公司,甘肃 兰州730314
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中文摘要:
      X射线荧光光谱法分析是目前快速分析方法之一,精密度受基体效应、均匀性、元素间干扰等影响。采用粉末压片法制备样品,用X射线荧光光谱法直接测定F、Ca元素,得出CaF2及CaCO3含量,并同时分析萤石中S、Fe、SiO2的含量。精密度实验表明,待测元素的相对标准偏差均低于0.66%(RSD,n=10),能满足萤石中各元素的检测要求。
英文摘要:
      X-ray fluorescence (XRF) spectrometry is a rapid spectroscopic analysis method, although its precision was influenced by the matrix effect and inhomogeneity of elements in samples. The samples was prepared by the grinding the samples and then pressing the power. Content of F, Ca, S, Fe and SiO2 in fluorites were rapidly determined by XRFS. Furthermore, CaF2 and CaCO3 content was also obtained. The results of precision tests indicated that the relative standard deviation (RSD, n=10) of elements to be tested were lower than 0.66%, which meets the testing requirements for these species in fluorite.
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