The distribution and background values of trace elements in Jingpo lake water

Xiuxia Li; Xinzhen Qian; Zhengsheng She

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The distribution and background values of trace elements in Jingpo lake water

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- The distribution and background values of trace elements in Jingpo lake water
- Nuclear Techniques Vol. 10, Issue 7, (1987)
- 作者机构：
  
  1.中国科学院高能物理研究所
  2.中国科学院长春地理研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：14 April 1986，
  
  Published：1987-07
- 稿件说明：
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Xiuxia Li, Xinzhen Qian, Zhengsheng She. The distribution and background values of trace elements in Jingpo lake water[J]. Nuclear techniques, 1987, 10(7): 33-35,63.
DOI：

Xiuxia Li, Xinzhen Qian, Zhengsheng She. The distribution and background values of trace elements in Jingpo lake water[J]. Nuclear techniques, 1987, 10(7): 33-35,63. DOI：

摘要

未受明显污染的天然水中多数微量元素的含量一般在ppt至ppb级。中子活化分析法具有很高的灵敏度和足够的准确度，可以成功地用于测定天然水中的多种低浓度微量元素，在地球化学和环境科学研究中是一种有力的分析工具。本工作采用两种预浓集方法配合中子活化和

谱仪测量，研究了牡丹江上游镜泊湖水中23种微量元素的含量及分布。牡丹江为松花江的主要支流之一，其上游的镜泊湖地区工业很少，湖水中微量元素的含量受人类生产活动的影响较小，主要是受自然环境因素控制，因此，测定湖水中元素的含量对松花江水系背景值研究具有重要的意义。

Abstract

The NAA was applied to the multielemental analysis of the lake water taken from the upper

middle and lower reaches of the Jingpo lake. The distribution and the background values of 23 elements (As

Lu and Au) in lake water were studied. The element contents of various sampling sites indicated that along the horizontal direction the element contents had no significant variation

but in the verticle direction

the content of Fe is increased with increasing depth. The analytical results were compared with the mean values of element contents given in the reference. It is shown that the water in Jingpo lake is out of artificial pollution

but the element contents were strongly influenced by the surrounding natural environment. Therefore the element contents should represent the natural backgrcund values of trace elements.

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references

W. H. Durum et al . , Geol. Surv. Circ. , 643 , 49 （ 1971 ）.

H.T.M. Bowen , Environmental Chemistry of the elements , 16 （ 1979 ）.

李岫霞等，海洋与湖沼， 15 , 4 , 365 （ 1984 ）.

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