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红壤不同粒级组分中砷的形态——基于连续分级提取和XANES研究
引用本文:李士杏,骆永明,章海波,黄玉娟,李柱,韦婧. 红壤不同粒级组分中砷的形态——基于连续分级提取和XANES研究[J]. 环境科学学报, 2011, 31(12): 2733-2739
作者姓名:李士杏  骆永明  章海波  黄玉娟  李柱  韦婧
作者单位:1. 中国科学院土壤环境与污染修复重点实验室南京土壤研究所,南京210008/中国科学院研究生院,北京100049
2. 中国科学院土壤环境与污染修复重点实验室南京土壤研究所,南京,210008
基金项目:国家自然科学基金重大项目
摘    要:土壤固相由不同大小的土壤颗粒构成.研究砷在土壤不同粒级组分中的形态,有助于深入了解土壤中砷的生物有效性、移动性及其环境风险.本文以砷吸附能力很强的红壤为研究对象,采用传统化学提取法研究了砷在各粒级组分(50~250μm,5~50μm,1~5μm和〈1μm)中的含量和形态,并采用X射线吸收近边结构(XANES)光谱法表征...

关 键 词:  红壤  粒级组分  X射线吸收近边结构光谱(XANES)
收稿时间:2011-02-24
修稿时间:2011-06-11

Arsenic forms in various particle-size fractions of red soil-Chemical fractionation and speciation using XANES analysis
LI Shixing,LUO Yongming,ZHANG Haibo,HUANG Yujuan,LI Zhu and WEI Jing. Arsenic forms in various particle-size fractions of red soil-Chemical fractionation and speciation using XANES analysis[J]. Acta Scientiae Circumstantiae, 2011, 31(12): 2733-2739
Authors:LI Shixing  LUO Yongming  ZHANG Haibo  HUANG Yujuan  LI Zhu  WEI Jing
Affiliation:1. Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008;2. Graduate School of the Chinese Academy of Sciences, Beijing 100049,1. Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008;2. Graduate School of the Chinese Academy of Sciences, Beijing 100049,Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008,Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008,1. Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008;2. Graduate School of the Chinese Academy of Sciences, Beijing 100049 and 1. Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008;2. Graduate School of the Chinese Academy of Sciences, Beijing 100049
Abstract:
Keywords:arsenic   red soil   particle-size fraction   X-ray absorption near edge structure (XANES)
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