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Characterization and a Fast Method for Synthesis of Sub-Micron Lithiophorite

Published online by Cambridge University Press:  01 January 2024

Deng-Shiu Yang  and
Ming-Kuang Wang
Deng-Shiu Yang
Affiliation:
Graduate Institute of Agricultural Chemistry, National Taiwan University, Taiwan 106
Ming-Kuang Wang*
Affiliation:
Graduate Institute of Agricultural Chemistry, National Taiwan University, Taiwan 106
*
*E-mail address of corresponding author: [email protected]
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Abstract

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Lithiophorite is a naturally occurring phyllomanganate which has been identified in soils and ores. Studies on a synthetic version have shed light on the conditions required for the formation of lithiophorite. In this study, we successfully prepared lithiophorite under highly alkaline conditions. In addition, we found that Li+, Al3+ and hydrothermal treatment are all necessary for the formation of lithiophorite. Lithiophorite, birnessite and Li-intercalated gibbsite were examined by infrared (IR) spectroscopy. The Mn oxide sheets of lithiophorite and birnessite were found to have quite similar structural environments. On the other hand, the LiAl2(OH)6 sheets are affected more markedly by the Mn oxide sheets. After intercalation, the symmetry of the six interlayer OH groups of LiAl2(OH)6 is reduced and they are divided into two groups occupying different sites, corresponding to the IR absorption bands at 3480 and 3312 cm−1, respectively.

Keywords

BirnessiteLithiophoriteLithium-intercalated Gibbsite (LIG)
Type
Research Article
Information
Clays and Clay Minerals , Volume 51 , Issue 1 , February 2003 , pp. 96 - 101
Copyright
Copyright © 2003, The Clay Minerals Society

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