Powder Sampling and Particle Size Determination

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Elsevier, Dec 9, 2003 - Technology & Engineering - 682 pages
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Powder technology is a rapidly expanding technology and nowhere more than in particle characterization. There has been an explosion of new particle measuring techniques in the past ten year particularly in the field of on-line measurement. One of the main aims of this book is to bring the reader up-to-date with current practices. One important area of interest is the improvements in on-line light scattering instruments and the introduction of ultrasonic on-line devices. Another is the introduction of on-line microscopy, which permits shape analysis in conjunction with particle sizing.
Schools of powder technology are common in Europe and Japan but the importance of this subject has only recently been recognised in America with the emergence of the Particle Research Centre (PERC) at the University of Florida in Gainsville.

- Details all the latest developments in powder technology

- Written by established authority on powder technology

- A comprehensive text covering all aspects of powder technology and handling of particulate solids including characterization, handling and applications
 

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Powder analysis procedure

Contents

Chapter 2 Data presentation and interpretation
56
Chapter 3 Particle size analysis by image analysis
142
Chapter 4 Particle size analysis by sieving
208
Chapter 5 Fluid classification
251
Chapter 6 Interaction between particles and fluids
295
Chapter 7 Gravitational sedimentation methods of particle size determination
359
Chapter 8 Centrifugal sedimentation methods of particle size determination
392
Chapter 9 Stream scanning methods of particle size measurement
447
Chapter 10 Field scanning methods of particle size measurement
524
Appendix Manufacturers and suppliers
623
Author index
628
Subject index
653
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Page 6 - ... of sampling There are many possible situations in which a sample has to be obtained and conditions often necessitate the use of inferior techniques. Some principles can however be laid down, and they should be adhered to whenever possible: Rule 1. A powder should be sampled when in motion. Rule 2. The whole of the stream of powder should be taken for many short increments of time in preference to part of the stream being taken for the whole of the time. Observance of these rules coupled with...
Page 63 - We realize that the purpose of an average is to represent a group of individual values in a simple and concise manner so that the mind can get a quick understanding of the general size of the individuals in the group, undistracted by fortuitous and irrelevant variations.
Page 70 - Dentritic having a branched crystalline shape; Fibrous regularly or irregularly thread-like; Flaky plate-like; Granular having approximately an equidimensional irregular shape; Irregular lacking any symmetry; Modular having rounded, irregular shape; Spherical global shape.

About the author (2003)

Jan qualified as a chartered accountant in New Zealand where she also held her first academic post before moving to the UK to pursue her academic career. Previously Professor of Accounting at the University of Aberdeen, Jan is actively engaged in many aspects of theapplicationof academic research in sustainable development to practice in industry, non-profit and political organisations.

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