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中国无机分析化学:2020,10(3):80-82
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石墨炉碱溶消解-离子色谱法同时测定硫磺中氟、氯、硫酸根元素
张冉,高恒, 吕新明
(阿拉山口出入境检验检疫局)
Determination of Fluorine, Chlorine and Sulfate Elements in Sulphur by Graphite Furnace Alkali Soluble-Ion Chromatography
ZHANG Ran,GAO Heng, LYU Xinming
(Alashankou Entry-Exit Inspection and Quarantine Bureau)
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投稿时间:2019-06-13    修订日期:2019-10-12
中文摘要: 提出了石墨炉碱溶消解-离子色谱法同时测定硫磺中氟、氯、硫元素的方法,选择各元素的分析谱线,采用外标法绘制曲线,方法的检出限0.00189 ug/ml-0.02168 ug/ml,方法的回收率在81%~113%,测定值的相对标准偏差(n=5)小于3.4%。离子色谱具有快捷方便、灵敏度高、一次溶样多元素同时测定、选择性好、元素之间的干扰少、能适应不同样品的基体、准确度和精密度高。该方法的研究成功填补了无硫磺中氟、氯、硫酸根元素的空白.
Abstract:A method for simultaneous determination of fluorine, chlorine, and sulfur in sulfur by graphite furnace alkaline soluble digestion-ion chromatography was proposed. The analytical lines of each element were selected, and the curve was drawn using the external standard method. The detection limit of the method was 0.00189 ug/ml -0.02168 ug/ml., the recovery rate of the method was 81 % ~ 113 %, and the relative standard deviation (N = 5) of the measured value was less than 3.4 %. Ion chromatography has fast and convenient, high sensitivity, simultaneous determination of multiple elements in a single solution sample, good selectivity, less interference between elements, matrix that can adapt to different samples, and high accuracy and precision. The method successfully fills the blank of fluorine, chlorine and sulfur in sulfur-free.
文章编号:     中图分类号:    文献标志码:
基金项目:新疆维吾尔自治区重点实验室开放性课题,编号:2016D03011
引用文本:
张冉,高恒,吕新明.石墨炉碱溶消解-离子色谱法同时测定硫磺中氟、氯、硫酸根元素[J].中国无机分析化学,2020,10(3):80-82.
ZHANG Ran,GAO Heng,LYU Xinming.Determination of Fluorine, Chlorine and Sulfate Elements in Sulphur by Graphite Furnace Alkali Soluble-Ion Chromatography[J].Chinese Journal of Inorganic Analytical Chemistry,2020,10(3):80-82.

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