Recent Advances in Particle Size Measurements: A Critical Review

Miller, Brian V.; Lines, Roy W.

doi:10.1080/00078988808048808

Cited by 40 publications

(17 citation statements)

References 156 publications

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“…fused with photon correlation spectroscopy (PCS), which utilizes a laser beam to illuminate a dilute suspension of particles in a liquid while changes in light intensity are measured as the particles move under Brownian motion (Miller and Lines, 1988). PCS is also known as autocorrelation spectroscopy, quasi-elastic light scattering, intensity fluctuation spectroscopy and dynamic light scattering (Miller and Lines, 1988).…”

Section: Discussionmentioning

confidence: 99%

“…The use of Mie theory for prediction of scattering from particles in the smaller size fractions (i.e., < 5 gm diameter) is clearly an invaluable development for clay-size samples (McCave et al, 1986). Ideally, algorithms for both Fraunhofer and Mie models (Pugh, 1987), as well as for the condition of anomalous scattering, should be available in laser scattering particle sizers for materials < 5 ~tm in equivalent diameter (Miller and Lines, 1988). These options for calculation of size distributions are increasingly available in modem laser diffraction instruments.…”

Section: Discussionmentioning

confidence: 99%

“…All scattering data, except the Fraunhofer models shown in Figures 4 and 6, were reduced to size distributions using Mie theory. Techniques for size determination via laser scattering are well established and are documented in the particle characterization literature (Allen, 1981;Miller and Lines, 1988). Replicate analyses of the same sample, as well as replicate analyses of sample fractions (using the method of Tanner and Jackson, 1947), were analyzed by the Malvern Mastersizer E. For replicate analyses, estimated standard deviations for each mean value are calculated by standard statistical techniques and are shown in parentheses to the last significant figure of each value (i.e., 2.47(3) means 2.47 _+ 0.03).…”

Section: Characterizationmentioning

confidence: 99%

“…In general, the reason for these errors in this size range is that the wavelength of the incident light must be significantly smaller than the size of the particle to be measured. For He-Ne lasers (the most commonly used), the wavelength is ~ 0.6 #m and thus, particles to be measured must be significantly larger than 1 gm (Miller and Lines, 1988). However, other studies have shown that the laser scattering method, when combined with an appropriate data reduction algorithm such as the Mie model for light scattering (Mie, 1908), provides good estimates of particle size distributions for sizes much closer to the wavelength of incident light (e.g., Dodge, 1987;de Boer et al, 1987).…”

Section: Introductionmentioning

confidence: 99%

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Kaolinite Particle Sizes in the <2 µm Range Using Laser Scattering

Uwins

Yago

Page

1993

Clays and clay miner.

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Al~tract--The Clay Minerals Society Source Clay kaolinites, Georgia KGa-1 and KGa-2, have been subjected to particle size determinations by 1) conventional sedimentation methods, 2) electron microscopy and image analysis, and 3) laser scattering using improved algorithms for the interaction of light with small particles. Particle shape, size distribution, and crystallinity vary considerably for each kaolinite. Replicate analyses of separated size fractions showed that in the <2 pm range, the sedimentation/ centrifugation method of Tanner and Jackson (1947) is reproducible for different kaolinite types and that the calculated size ranges are in reasonable agreement with the size bins estimated from laser scattering. Particle sizes determined by laser scattering must be calculated using Mie theory when the dominant particle size is less than -5 urn. Based on this study of two well-known and structurally different kaolinites, laser scattering, with improved data reduction algorithms that include Mie theory, should be considered an internally consistent and rapid technique for clay particle sizing.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Characterizationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Kaolinite Particle Sizes in the <2 µm Range Using Laser Scattering

Uwins

Yago

Page

1993

Clays and clay miner.

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“…A variety of commercial and academic instruments exist for the measurement of particle size and size distribution (Barth, 1984;Miller & Lines, 1988;Allen, 1990;Syvitski, 1991). Owing to the complexity of the basic theory, it is usual to interpret experimental data in terms of equivalent spherical diameters (ESD).…”

mentioning

confidence: 99%

Size and Thickness Measurement of Polydisperse Clay Samples

Jennings

1993

Clay miner.

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A B ST RA C T: Measurement of clay particle size invariably presents data in the form of equivalent spherical diameters. For asymmetric particles the equivalent spherical diameter varies with the method of measurement. Based upon an understanding of the theoretical concepts involved, a method has been proposed whereby comparison of data on a given sample from two different techniques can reveal information about the minor dimension of the particle. Theoretical expressions are given for the equivalent spherical diameter of cylindrically symmetric rods and discs from which it is shown that some of the existing measurement methods are more dependent upon size than the degree of non-sphericity whilst for others the reverse is true. It is shown how for rods and discs one can obtain information on both an average axial ratio and the distribution of this parameter for heterogeneous samples. Illustrated data are given for three kaolin samples. Far from showing inconsistency between the variable spherical diameters yielded by different instruments, the data produce compatible size and thickness parameters which match those observed in supplementary, unreported electron microscope experiments. A method of measuring particle major and minor parameter distributions is indicated.

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Particle-size analysis of aeolian dusts, soils and sediments in very small quantities using a Coulter Multisizer

McTainsh

Lynch

Hales

1997

Earth Surf. Process. Landforms

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The Coulter Multisizer has clearly defined strengths and weaknesses as a particle-sizing instrument. It is easier to operate than its Coulter predecessors, though less so than several of its competitors. The Multisizer is best suited to handle very small samples with a narrow particle-size range, such as aeolian dusts and other sediments available only in small quantities. For such samples, Multisizer analysis times are short, resolution is very high (256 size classes) and reproducibility is good. The Multisizer is less well suited to soils and other samples available in large quantities and with a broad particle-size range. For soil particle-size analyses a composite method is proposed involving: Multisizer (2-75 µm), Pipette (<2 µm) and Sieve (>75 µm).

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Recent Advances in Particle Size Measurements: A Critical Review

Cited by 40 publications

References 156 publications

Kaolinite Particle Sizes in the <2 µm Range Using Laser Scattering

Kaolinite Particle Sizes in the <2 µm Range Using Laser Scattering

Size and Thickness Measurement of Polydisperse Clay Samples

Particle-size analysis of aeolian dusts, soils and sediments in very small quantities using a Coulter Multisizer

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