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中国无机分析化学:2020,10(1):62-64
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电感耦合等离子体发射光谱法测定铁矿石中钒量
赵希文1, 朱春要2, 董礼男2, 陆娜萍2
(1.江苏省沙钢钢铁研究院 分析测试中心;2.江苏省沙钢钢铁研究院)
Determination of vanadium in iron ore by inductively coupled plasma atomic emission spectrometry
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投稿时间:2019-05-28    修订日期:2019-11-28
中文摘要: 建立了电感耦合等离子发射光谱(ICP-AES)测定铁矿石中钒含量的分析方法。采用盐酸、硝酸、氢氟酸、高氯酸分解试样,不溶物残渣碱熔融回收,稀盐酸溶解盐类的方式对样品进行分解。对仪器的主要工作参数和分析谱线进行了选择,讨论了基体和共存元素的干扰,以及溶解酸和熔剂等条件实验,确立了最佳分析条件。按本实验方法对铁矿石标准样品和试样中钒量进行测定,测定值与标准值或其它方法的认定值基本一致,相对标准偏差RSD<6.5%。
中文关键词: ICP-AES  铁矿石  
Abstract:An analytical method for the determination of vanadium in iron ore by inductively coupled plasma emission spectroscopy (ICP-AES) was developed. The sample was decomposed by hydrochloric acid, nitric acid, hydrofluoric acid and perchloric acid, the insoluble residue was alkali-melted and recovered, and the salt in sample was decomposed by dilute hydrochloric. The main working parameters and analytical lines of the instrument were selected. The interference of matrix and coexisting elements, as well as the conditions of dissolved acid and flux were discussed, and the best analytical conditions were established. According to the experimental method, the amount of vanadium in the iron ore standard sample and the test sample were measured. The result was consistent with the standard value or the identification value of other methods, and the relative standard deviation RSD was less than 6.5%.
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赵希文,朱春要,董礼男,陆娜萍.电感耦合等离子体发射光谱法测定铁矿石中钒量[J].中国无机分析化学,2020,10(1):62-64.
zhaoxiwen,zhuchunyao,donglinan,lunaping.Determination of vanadium in iron ore by inductively coupled plasma atomic emission spectrometry[J].Chinese Journal of Inorganic Analytical Chemistry,2020,10(1):62-64.

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