| 谭丽娟,唐玉霜,黄利宁,邓述培,侯丹.氢化物发生-原子荧光光谱法测定1：5万区域地质调查样品中的As、Sb、Bi、Hg等4种元素[J].中国无机分析化学,2019,9(4):19-23. |
| 氢化物发生-原子荧光光谱法测定1：5万区域地质调查样品中的As、Sb、Bi、Hg等4种元素 |
| Determination of regional geochemical survey（1:50000）samples of As，Sb，Bi，Hg by Hydride Generation-Atomic Fluorescence Spectrometer |
| 投稿时间：2019-04-02 修订日期：2019-06-13 |
| DOI：10.3969/j.issn.2095-1035.2019.04.005 |
| 中文关键词: 1:50000区域地质调查样品 氢化物发生-原子荧光光谱法 砷 锑 铋 汞 |
| 英文关键词:1:50000Regional geological survey sample ,Atomic fluorescence spectrometry,As,Sb,Bi,Hg |
| 基金项目: |
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| 摘要点击次数: 65 |
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| 中文摘要: |
| 建立了氢化发生-原子荧光光谱法测定1：5万区域地质调查样品中的As、Sb、Bi、Hg等4种元素的分析方法，通过采用王水（1+1）分解样品，在5%的盐酸介质中，用硼氢化钾作为还原剂进行As、Sb、Bi、Hg等4种元素的氢化物发生-原子荧光光谱法测定。方法检出限为0.0089（As）、0.0081（Sb）、0.0081（Bi）、0.0017（Hg）μg/g, 测定结果的相对标准偏差(RSD,n=12)为0.82%-7.62%,准确度△Lg C=-0.01-0.02。该方法简便,成本低,检测结果准确,检出限、准确度及精密度均能达到行业规范要求，适用于1：5万区域地质调查样品水系沉积物、土壤中As、Sb、Bi、Hg等4种元素的测定。 |
| 英文摘要: |
| The method for the determination of As, Sb, Bi and Hg in 1:50 000 regional geological survey samples by hydride generation-atomic fluorescence spectrometry was established. The samples were decomposed by aqua regia (1+1) and determined by Hydride Generation-Atomic Fluorescence Spectrometry with potassium borohydride as reducing agent in 5% hydrochloric acid medium. The detection limits were 0.0089 (As), 0.0081 (Sb), 0.0081 (Bi), 0.0017 (Hg) ug/g. The relative standard deviation (RSD, n = 12) of the results was 0.82% - 7.62%, and the accuracy was Lg C= - 0.01 - 0.02. The method is simple, low-cost, accurate, and can meet the requirements of industry specifications. It is suitable for the determination of As, Sb, Bi, Hg and other four elements in river sediment and soil of 1:50,000 regional geological survey samples. |
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