XAS study of AsO43− and SeO42− substituted schwertmannites

Physica B: Condensed Matter
By: , and 



Synthetic schwertmannite samples with varying amounts of arsenate and selenate substituting for sulfate were examined by XAS methods in an attempt to characterize the location of the anion complexes. Selenate appears to both substitute directly for sulfate within tunnels in the structure, and sorb onto the outside of crystallites. No disruption of the basic structure appears with selenate substitution. However, arsenate appears mainly to sorb to the outside of crystallites, destabilizing the structure and poisoning growth.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title XAS study of AsO43− and SeO42− substituted schwertmannites
Series title Physica B: Condensed Matter
DOI 10.1016/0921-4526(94)00730-J
Volume 208-209
Year Published 1995
Language English
Publisher Elsevier
Contributing office(s) Toxic Substances Hydrology Program
Description 3 p.
First page 481
Last page 483
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