Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2019 Impact factor 1.556

Nuclear Science and Techniques ›› 1994, Vol. 5 ›› Issue (2): 65

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Chai Chifang(柴之芳)1, Feng Weiyue(丰伟悦)1, Qian Qinfang(钱琴芳)1, Guan Ming(关 铭)2, Li Xinji(李新继)3, Lu Yilun(陆毅伦)4, Zhang Xiumei(张秀梅)4   

  1. 1 Institute of High Energy Physics and Laboratory of Nuclear Analysis Techniques. The Chinese Academy of Sciences, Beijing 100080, China;
    2 Norman Bethune University of Medical Sciences, Changchun 130021, China;
    3 Beijing Environmental Monatoring Station, Beijing 100014, China;
    4 Institute of Geography, The Chinese Academy of Sciences, Beijing 100012, China
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Chai Chifang(柴之芳), Feng Weiyue(丰伟悦), Qian Qinfang(钱琴芳), Guan Ming(关 铭), Li Xinji(李新继), Lu Yilun(陆毅伦), Zhang Xiumei(张秀梅). TOTAL AND METHYL MERCURY LEVELS IN HUMAN SCALP HAIRS.Nuclear Science and Techniques, 1994, 5(2): 65

Abstract: The contents of total and methyl mercury in scalp hair samples of 1179 fishermen living at a typical Hg-polluted region in Northeast China and 27 lying-in women and their new born babies in Beijing have been determined by instrumental neutron activation analysis, gas chromatography (electron coupling) and other techniques. Only 18 of all fishermen have the Hg contents above 5 μg/g, which indicates that the Hg pollution there has been substantially alleviated. The longitudinal Hg patterns of the lying-in women show a gradually lowering tendency during pregnant period. Further, the Hg contents of the new-born babies are generally above or close to those of their mothers, confirming the mechanism that the methyl Hg, an organic species of Hg with high toxicity, is readily able to penetrate the placental barrier and accumulated in fetus. Thus, the mercury poison has occurred at the early stage of pregnancy.

Key words: Chemical species of mercury, Total Hg, Methyl Hg, Neutron activation analysis, Gas chromatography, Human hair, Hg pollution