| 硝酸、硫化钠溶液浸取冷原子荧光法选择性测定土壤及河流沉积物中硫化汞 |
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| 引用本文： | 巨振海,张桂芹.硝酸、硫化钠溶液浸取冷原子荧光法选择性测定土壤及河流沉积物中硫化汞[J].分析化学,1991(11). |
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| 作者姓名： | 巨振海 张桂芹 |
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| 作者单位： | 河北廊坊市环境监测站 廊坊102800 |
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| 摘 要： | 本文研究了饱和硫化钠溶液对土壤样品中硫化汞的浸取效率(其加标回收率达100%),以及用硝酸和硫化钠溶液对样品中汞的选择性浸取并研究了土壤中硫化汞垂直分布。提出了利用硝酸、饱和硫化钠溶液浸取,由冷原子荧光法选择性测定土壤及河流沉积物中硫化汞的新方法。用该方法对同一样品进行8次测定,其相对标准偏差为7.1%。
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| 关 键 词： | 浸取 冷原子荧光法 硫化汞 沉积物 土壤 |
Selective Determination of Mercury Sulphide in Soils and River Sediments by Cold Atomic Fluorescence Spectrometry With Extraction of Nitric Acid and Saturated Sodium Sulphide |
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| Ju Zhenhai Zhang Guiqin.Selective Determination of Mercury Sulphide in Soils and River Sediments by Cold Atomic Fluorescence Spectrometry With Extraction of Nitric Acid and Saturated Sodium Sulphide[J].Chinese Journal of Analytical Chemistry,1991(11). |
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| Authors: | Ju Zhenhai Zhang Guiqin |
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| Abstract: | The extraction of mercury sulphide with saturated sodium sulphide is studied, the recovery is 100%.Nitric acid and saturated sodium sulphide extract mercury from sample,the distribution of mercury sulphide in the same site but at different depths is also studied,This paper describes a method for selective determination of mercury sulphide in soils and river sediments by cold atomic fluorescence spectrometry with saturated sodium sulphide extraction.The same samples were determined eight times by this method and the relative standard deviation is 7.1% |
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| Keywords: | Extraction Cold atomic fluorescence spectrometry Sediments Mercury sulphide |
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