The abundances of rarer trace elements in paddy (rice) soils of Sri Lanka

被引：38

作者：

Chandrajith, R ^{[1
]}

Dissanayake, CB

Tobschall, HJ

机构：

[1] Univ Peradeniya, Dept Geol, Peradeniya, Sri Lanka

[2] Univ Erlangen Nurnberg, Chair Appl Geol, Inst Geol & Mineral, D-91054 Erlangen, Germany

来源：

CHEMOSPHERE | 2005年 / 58卷 / 10期

关键词：

paddy soils; Sri Lanka; factor analysis; rarer trace elements; ICP-MS;

D O I：

10.1016/j.chemosphere.2004.09.090

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Concentrations of Ti, Ga, As, Sc, Zr, Sn, Hf, Th, U and Y have been determined for 70 paddy soils from 14 villages, selected throughout Sri Lanka by means of ICP-MS. The mean elemental contents of all paddy soil samples were 6120 Ti, 14.1 Ga, 0.84 As, 7.26 Sc, 129 Zr, 2.27 Sn, 3.64 Hf, 12.71 Th, 1.53 U, and 13.35 Y (all data in mu g/g). Paddy soils were classified into groups based on morphology and climate. Higher contents of Th and U were found in the wet zone lowland soils whereas the higher Ti contents were observed in dry zone soils. Arsenic, Zr and Hf contents were comparatively similar in all regions. Factor analysis was used to identify the relationships between the contents of elements. (c) 2004 Elsevier Ltd. All rights reserved.

引用

页码：1415 / 1420

页数：6

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