Direct determination of arsenic species in arsenic hyperaccumulator Pteris vittata by EXAFS
文献类型:SCI/SSCI论文
作者 | Lei M. |
发表日期 | 2004 |
关键词 | arsenic species extended X-ray absorption fine structure (EXAFS) hyperaccumulator Pteris vittata (Chinese brake) reduction translocation speciation water fern |
英文摘要 | Synchrotron radiation extended X-ray absorption fine structure (SR EXAFS) was used to study the transformation of coordination and redox state of arsenic (As) in a newly discovered As hyperaccumulator, Pteris vittata L., which is considered to have great potential for phytoremediating the As contaminated soil. It is shown that the As in this plant was mainly coordinated with oxygen in the reduced state, As (III), and the reduction of As (V) occurred in the root after it was taken up. No oxidation of As (III) was found during the translocation of As, from root to shoot. Only a small amount of As was coordinated with sulfur in root and petiole, but not distinct in pinna. |
出处 | Acta Botanica Sinica |
卷 | 46 |
期 | 1 |
页 | 46-50 |
收录类别 | SCI |
语种 | 英语 |
ISSN号 | 1672-6650 |
源URL | [http://ir.igsnrr.ac.cn/handle/311030/23787] |
专题 | 地理科学与资源研究所_历年回溯文献 |
推荐引用方式 GB/T 7714 | Lei M.. Direct determination of arsenic species in arsenic hyperaccumulator Pteris vittata by EXAFS. 2004. |
入库方式: OAI收割
来源:地理科学与资源研究所
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