The molecular structure of the multianion mineral hidalgoite PbAl3(AsO4)(SO4)(OH)6 : implications for arsenic removal from soils


Autoria(s): Frost, Ray L.; Xi, Yunfei; Palmer, Sara J.
Data(s)

01/09/2011

Resumo

The objective of this research is to determine the molecular structure of the mineral hidalgoite PbAl3(AsO4)(SO4)(OH)6 using vibrational spectroscopy. The mineral is found in old mine sites. Observed bands are assigned to the stretching and bending vibrations of (SO4)2- and (AsO4)3- units, stretching and bending vibrations of hydrogen bonded (OH)- ions and Al3+-(O,OH) units. The approximate range of O-H...O hydrogen bond lengths is inferred from the Raman and infrared spectra. Values of 2.6989 Å, 2.7682 Å, 2.8659 Å were obtained. The formation of hidalgoite may offer a mechanism for the removal of arsenic from the environment.

Formato

application/pdf

Identificador

http://eprints.qut.edu.au/46867/

Publicador

Elsevier BV

Relação

http://eprints.qut.edu.au/46867/2/c46867.pdf

DOI:10.1016/j.molstruc.2011.08.052

Frost, Ray L., Xi, Yunfei, & Palmer, Sara J. (2011) The molecular structure of the multianion mineral hidalgoite PbAl3(AsO4)(SO4)(OH)6 : implications for arsenic removal from soils. Journal of Molecular Structure, 1005(1-3), pp. 214-219.

Direitos

Copyright 2011 Elsevier BV

This is the author’s version of a work that was accepted for publication in Journal of Molecular Structure. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Molecular Structure, [VOL 1005, ISSUE 1-3, (2011)] DOI: 10.1016/j.molstruc.2011.08.052

Fonte

Chemistry; Faculty of Science and Technology

Palavras-Chave #030606 Structural Chemistry and Spectroscopy #Raman spectroscopy, hidalgoite, arsenate contamination, arsenic in cattle dips, soil remediation
Tipo

Journal Article