Characterizing nano- and micro-particles in fluids still proves to be a significant challenge for both science and industry. Here, we show how to determine shape and size distributions of polydisperse water suspensions of micron-sized particles by the analysis of the field scattered in the forward direction by single particles illuminated by a laser beam. We exploit the novel Single Particle Extinction and Scattering method in connection with shear conditions which give preferred orientations to the particles passing through the scattering volume. Water suspensions of calibrated non-spherical particles, polydisperse standard monophasic mineral samples of quartz and kaolinite, and a mixture of quartz and illite are studied in detail. Application and limitation of the method are discussed.
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14 June 2016
Research Article|
June 09 2016
Measuring shape and size of micrometric particles from the analysis of the forward scattered field
S. Villa
;
S. Villa
1Department of Physics and CIMAINA,
University of Milan
, via Celoria 16, I-20133 Milan, Italy
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T. Sanvito;
T. Sanvito
2DISAT Department of Earth and Environmental Sciences,
University Milano-Bicocca
, Milan, Italy
3
EOS s.r.l.
, viale Ortles 22/4, 20139 Milan, Italy
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B. Paroli
;
B. Paroli
1Department of Physics and CIMAINA,
University of Milan
, via Celoria 16, I-20133 Milan, Italy
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A. Pullia
;
A. Pullia
1Department of Physics and CIMAINA,
University of Milan
, via Celoria 16, I-20133 Milan, Italy
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B. Delmonte
;
B. Delmonte
2DISAT Department of Earth and Environmental Sciences,
University Milano-Bicocca
, Milan, Italy
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M. A. C. Potenza
1Department of Physics and CIMAINA,
University of Milan
, via Celoria 16, I-20133 Milan, Italy
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a)
Author to whom correspondence should be addressed. Electronic mail: [email protected]
J. Appl. Phys. 119, 224901 (2016)
Article history
Received:
February 01 2016
Accepted:
May 13 2016
Citation
S. Villa, T. Sanvito, B. Paroli, A. Pullia, B. Delmonte, M. A. C. Potenza; Measuring shape and size of micrometric particles from the analysis of the forward scattered field. J. Appl. Phys. 14 June 2016; 119 (22): 224901. https://doi.org/10.1063/1.4953332
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