| 不同赋存形态土壤铅同位素比值用于判别地域性差异的研究 |
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| 引用本文： | 陈成祥,庄峙厦,刘海波,黄荣夫,谭芳,陈石,王小如.不同赋存形态土壤铅同位素比值用于判别地域性差异的研究[J].分析化学,2007,35(1):103-105. |
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| 作者姓名： | 陈成祥 庄峙厦 刘海波 黄荣夫 谭芳 陈石 王小如 |
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| 作者单位： | 1. 厦门大学化学化工学院化学系,现代分析科学教育部重点实验室,厦门,361005
2. 厦门大学化学化工学院化学系,现代分析科学教育部重点实验室,厦门,361005;国家海洋局第一海洋研究所,青岛,266061 |
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| 基金项目： | 福建省重点大科技项目资助课题(No2003Y005-04,2003Y003) |
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| 摘 要： | 由于各地区地质结构不同,造成了铅同位素组成具有地域特征。本研究利用电感耦合等离子体质谱测定了福建不同茶园土壤的铅同位素比值,比较了土壤全消解和残渣态两种赋存形态的铅同位素比值的差异,发现残渣态的铅的地域性特征较强,可用来作为地区土壤的判别依据。
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| 关 键 词： | 电感耦合等离子体质谱 铅同位素比值 地域性差异 |
| 修稿时间： | 2006-02-302006-08-28 |
Source Differentiation by Lead Isotope Ratios in Total Digests of Soil Fractions and Residual Fractions |
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| Chen Cheng-Xiang,Zhuang Zhi-Xia,Liu Hai-Bo,Huang Rong-Fu,Tan Fang,Chen Shi,Wang Xiao-Ru.Source Differentiation by Lead Isotope Ratios in Total Digests of Soil Fractions and Residual Fractions[J].Chinese Journal of Analytical Chemistry,2007,35(1):103-105. |
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| Authors: | Chen Cheng-Xiang Zhuang Zhi-Xia Liu Hai-Bo Huang Rong-Fu Tan Fang Chen Shi Wang Xiao-Ru |
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| Institution: | 1.Department of Chemistry, the Key Laboratory of Analytical Sciences of the Ministry of Education, Xiamen 361005;2. First Institute Oceanography of State Oceanic Administration, Qingdao 266061 |
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| Abstract: | The isotope ratios of lead vary with geographic location. In this study, the precision obtained for the 206Pd/208Pb ratio, 206Pd/207Pb ratio was considerably better than 0.5% isotope ratio studies. It is found that the isotope values of the siol samples from different sources have their own special pattern. Lead isotope ratios of tea soil from different regions in Fujian Province were determined by inductively coupled plasma mass spectrometry, the differences of lead isotope ratios (206Pb/207Pb-206Pb/208Pb) of the total digests of soil fractions and the residual fractions were compared. The results show lead isotope ratios of residual fraction are more efficiently than that of total digests of soil fractions in identifying sources of soil. |
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| Keywords: | Inductively coupled plasma mass spectrometry lead isotope ratios regional differentiation |
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