Particle size distribution analysis of soils using laser diffraction |
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| Institution: | 1. Forensic Science Unit, University of Strathclyde, Royal College, 204 George Street, Glasgow G1 1XH UK;2. Department of Mathematics, University of Strathclyde, Glasgow G1 1XH UK;1. Food Process Engineering, Wageningen University, P.O. Box 17, 6700 AA, Wageningen, The Netherlands;2. Biobased Chemistry and Technology, Wageningen University, P.O. Box 17, 6700 AA, Wageningen, The Netherlands;1. Department of Vegetation Ecology, Institute of Botany, The Czech Academy of Sciences, Lidická 25/27, 602 00 Brno, Czech Republic;2. Department of Botany, National Museum, Cirkusová 1740, 193 00 Praha 9-Horní Počernice, Czech Republic;1. Department of Food Science, University of Arkansas, 2650 N. Young Avenue, Fayetteville, AR 72704, USA;2. Agricultural Statistics Laboratory, University of Arkansas, Fayetteville, AR 72701, USA;1. Research and Development Center of Food Proteins, Department of Food Science and Engineering, South China University of Technology, Guangzhou, 510640, People’s Republic of China;2. Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China University of Technology, Guangzhou, 510640, People’s Republic of China;1. INRA, UMR782 Génie et Microbiologie des Procédés Alimentaires, F-78850 Thiverval Grignon, France;2. AgroParisTech, UMR782 Génie et Microbiologie des Procédés Alimentaires, F-78850 Thiverval Grignon, France;3. INRA, UR1268 Biopolymères Interactions Assemblages, F-44300 Nantes, France |
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| Abstract: | The use of laser diffraction for the particle size distribution analysis of the sub-63 μm fraction of soil samples is described. Each sub-63 μm fraction was obtained from the wet sieving of 1500 mg of whole soil. Using similarity probabilities, the data obtained, when combined with other information from wet sieving and/or organic matter content, will enable the correct identity of a given soil sample with that of an unknown to be made. Although the sub-63 μm fraction can account for 450 mg or more of the total soil content, analyses of this fraction can be conducted on sample sizes as small as 100 mg. |
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