Speciation of zinc metal in paddy soils by chemical sequential extraction and synchrotron x-ray spectroscopy

Tzuhsing Ko, Hsinta Hsueh, Chiru Yang

Research output: Contribution to journalArticlepeer-review

Abstract

A severely zinc-contaminated paddy soils were collected and analyzed by the chemical sequential extraction and synchrotron X-ray spectroscopy. Results show that Zn, Pb and Cu were the major heavy metals in paddy soils. The carbonates and Fe-Mn oxide fractions were the main form for Zn whereas a considerable residual fraction was detected for Pb. In addition to Zn-O, many bonding structures between zinc and other metals were also examined. The possible species of zinc would be Zn-Al(Si) with a bonding distance of 2.18 A and a Zn-Fe structure with a bonding distance of 3.07 A.

Original languageEnglish
Pages (from-to)4298-4300
Number of pages3
JournalAsian Journal of Chemistry
Volume25
Issue number8
DOIs
Publication statusPublished - 2013

All Science Journal Classification (ASJC) codes

  • General Chemistry

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