Speciation of Zinc Metal in Paddy Soils by Chemical Sequential Extraction and Synchrotron X-ray Spectroscopy

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Title:	Speciation of Zinc Metal in Paddy Soils by Chemical Sequential Extraction and Synchrotron X-ray Spectroscopy
Authors:	Ko, Tzuhsing Hsueh, Hsinta Yang, Chiru
Contributors:	環境工程與科學系
Keywords:	Paddy Soils Chemical Sequential Extraction Synchrotron X-Ray Spectroscopy
Date:	2013-07
Issue Date:	2014-05-26 10:49:23 (UTC+8)
Publisher:	Asian Journal Of Chemistry
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 angstrom and a Zn-Fe structure with a bonding distance of 3.07 angstrom.
Relation:	Asian Journal of Chemistry, v.25 n.8, pp.4298-4300
Appears in Collections:	[Dept. of Environmental Engineering and Science (including master's program)] Periodical Articles

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