Determination of Mercury, Arsenic and Cadmium in Soils/Sediments with the Refluxing Digestion of Aqua Regia

Chen Ze-zhi; Zhao Zhi-nan; He Qun-hua

doi:10.12052/gdutxb.170110

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Determination of Mercury, Arsenic and Cadmium in Soils/Sediments with the Refluxing Digestion of Aqua Regia

更新时间：2026-05-27

- Determination of Mercury, Arsenic and Cadmium in Soils/Sediments with the Refluxing Digestion of Aqua Regia
- Vol. 35, Issue 1, Pages: 84-87(2018)
- 作者机构：
  
  1. 广东省测试分析研究所　广东省分析测试技术公共实验室,广东,广州,510070
  2. 广东省环境监测中心,广东,广州,510308
- 作者简介：
- 基金信息：
- DOI：10.12052/gdutxb.170110
  CLC： X833
- Online First：09 January 2018，
  
  Published：2018
- 稿件说明：
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陈泽智, 赵志南, 何群华. 王水回流消解同时测定土壤/沉积物中汞、砷和镉的方法研究[J]. 广东工业大学学报, 2018, 35(1): 84-87.

Chen Ze-zhi, Zhao Zhi-nan, He Qun-hua. Determination of Mercury, Arsenic and Cadmium in Soils/Sediments with the Refluxing Digestion of Aqua Regia[J]. 2018, 35(1): 84-87.
陈泽智, 赵志南, 何群华. 王水回流消解同时测定土壤/沉积物中汞、砷和镉的方法研究[J]. 广东工业大学学报, 2018, 35(1): 84-87. DOI： 10.12052/gdutxb.170110.

Chen Ze-zhi, Zhao Zhi-nan, He Qun-hua. Determination of Mercury, Arsenic and Cadmium in Soils/Sediments with the Refluxing Digestion of Aqua Regia[J]. 2018, 35(1): 84-87. DOI： 10.12052/gdutxb.170110.

摘要

通过王水回流消解土壤/沉积物样品

利用原子荧光和石墨炉原子吸收分别测定土壤/沉积物中的汞、砷和镉. 使用该方法分析了8种土壤/沉积物标准物质中的汞、砷和镉

结果表明

其测定值均在参考范围以内. 汞、砷和镉的相对标准偏差分别为2.9%~8.2%、1.2%~5.6%和3.4%~6.8%

其检出限、精密度和准确度均满足土壤分析方法的要求.

Abstract

As and Cd in soil/sediment samples were determined with the refluxing digestion of aqua regia. Cd was determined by Graphite Furnace Atomic Absorption Spectrometry. Hg and As were determined by Atomic Fluorescence Spectrometry. 8 geochemical standard reference material of soil/sediment were tested. The test data showed that the determination of standard reference material were within the reference range. The relative standard deviation of Hg

As and Cd were 2.9%~8.2%

1.2%~5.6% and 3.4%~6.8%. The detection limit

precision and accuracy of the methods met the requirements of the determination of soil.

关键词

Keywords

references

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