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High-gradient magnetic separation (HGMS) in soil clay mineral studies

Published online by Cambridge University Press:  09 July 2018

J. D. Russell
Affiliation:
The Macaulay Institute for Soil Research, Craigiebuekler, Aberdeen AB9 2QJ, Scotland
A. Birnie
Affiliation:
The Macaulay Institute for Soil Research, Craigiebuekler, Aberdeen AB9 2QJ, Scotland
A. R. Fraser
Affiliation:
The Macaulay Institute for Soil Research, Craigiebuekler, Aberdeen AB9 2QJ, Scotland

Abstract

A modified HGMS system is described in which the inclusion of a peristaltic pump to continuously circulate a suspension of a soil clay through the magnetic trap greatly facilitates the operation of the technique. Application of this purely physical method of mineral separation to a variety of soil clays—using IR spectroscopy to monitor the progress of the separation—illustrates the ease with which magnetic fractions comprising different iron-containing clay minerals may be separated from a single soil clay, thereby making these minerals more accessible for further study by other techniques.

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1984

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References

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