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Book Chapter

Particle size analysis by laser diffraction

By
Simon J. Blott
Simon J. Blott
1
Kenneth Pye Associates Ltd, Crowthorne Enterprise Centre, Crowthorne Business Estate,
Old Wokingham Road, Crowthorne, RG45 6AW, UK
(e-mail: s.blott@kpal.co.uk)
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Debra J. Croft
Debra J. Croft
1
Kenneth Pye Associates Ltd, Crowthorne Enterprise Centre, Crowthorne Business Estate,
Old Wokingham Road, Crowthorne, RG45 6AW, UK
(e-mail: s.blott@kpal.co.uk)
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Kenneth Pye
Kenneth Pye
1
Kenneth Pye Associates Ltd, Crowthorne Enterprise Centre, Crowthorne Business Estate,
Old Wokingham Road, Crowthorne, RG45 6AW, UK
(e-mail: s.blott@kpal.co.uk)
2
Department of Geology, Royal Holloway, University of London
Egham Hill, Egham, Surrey, TW20 0EX, UK
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Samantha E. Saye
Samantha E. Saye
1
Kenneth Pye Associates Ltd, Crowthorne Enterprise Centre, Crowthorne Business Estate,
Old Wokingham Road, Crowthorne, RG45 6AW, UK
(e-mail: s.blott@kpal.co.uk)
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Helen E. Wilson
Helen E. Wilson
2
Department of Geology, Royal Holloway, University of London
Egham Hill, Egham, Surrey, TW20 0EX, UK
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Published:
January 01, 2004

Abstract

Particle size distribution is a fundamental property of any sediment or soil, and particle size determination can provide important clues to sediment provenance. For forensic work, the particle size distribution of sometimes very small samples requires precise determination using a rapid and reliable method with a high resolution. A protocol has been developed using a Coulter™ LS230 laser granulometer, which can analyse particles in the size range 0.04 μ–2000 μ. The technique is essentially non-destructive, permitting the recovery of critical samples, and has been demonstrated to have high precision for a range of soils, sediments and powders of interest in forensic investigations.

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Contents

Geological Society, London, Special Publications

Forensic Geoscience: Principles, Techniques and Applications

K. Pye
K. Pye
Kenneth Pye Associates Ltd & Royal Holloway, University of London, UK
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D. J. Croft
D. J. Croft
Croft Scientific and Technical & Kenneth Pye Associates Ltd, UK
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Geological Society of London
Volume
232
ISBN electronic:
9781862394803
Publication date:
January 01, 2004

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