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Preliminary investigations into the sorption of boron by clay minerals

Published online by Cambridge University Press:  09 July 2018

M. E. L. Fleet
M. E. L. Fleet*
Affiliation:
Department of Geology, University of Western Ontario
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Abstract

The sorption of boron by clay minerals from natural waters has been studied experimentally. The quantity of boron sorbed per unit weight of clay mineral is dependent on both the salinity and the boron content of the solution. Previous work has shown that illite is the best clay mineral sorbent, though kaolinite and montmorillonite do sorb some boron and this is confirmed by the present work. The new experimental results demonstrate that the amount of boron sorbed by illite is not affected by the original boron content of the mineral and suggest that the process of incorporation of boron into the lattice proceeds in two stages. The bearing of these experimental results on the use of boron as a palaeosalinity indicator in sedimentary rocks is discussed and this leads to the conclusion that the rate of sedimentation may also influence the boron content of such rocks.

Type
Research Article
Information
Clay Minerals , Volume 6 , Issue 1 , July 1965 , pp. 3 - 16
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1965

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