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  • BSI
    BS ISO 9276-2:2014 Representation of results of particle size analysis - Calculation of average particle sizes/diameters and moments from particle size distributions
    Edition: 2014
    $442.60
    / user per year

Description of BS ISO 9276-2:2014 2014

This part of ISO 9276 provides relevant equations and coherent nomenclatures for the calculation of moments, mean particle sizes and standard deviations from a given particle size distribution. Two notation systems in common use are described. One is the method of moments while the second describes the moment-ratio method. The size distribution may be available as a histogram or as an analytical function.

The equivalent diameter of a particle of any shape is taken as the size of that particle. Particle shape factors are not taken into account. It is essential that the measurement technique is stated in the report in view of the dependency of sizing results of measurement principle. Samples of particles measured are intended to be representative of the population of particles.

For both notation systems, numerical examples of the calculation of mean particle sizes and standard deviation from histogram data are presented in an annex.

The accuracy of the mean particle size may be reduced if an incomplete distribution is evaluated. The accuracy may also be reduced when very limited numbers of size classes are employed.



Standard NumberBS ISO 9276-2:2014
TitleRepresentation of results of particle size analysis - Calculation of average particle sizes/diameters and moments from particle size distributions
StatusUnder Review
Publication Date2014-05-31
ReplacesBS ISO 9276-2:2001
Identical National Standard OfISO 9276-2:2014
DescriptorsSize, Particulate materials, Particle size measurement, Data representation, Experimental data, Statistical distribution, Mathematical calculations, Sieving, Screening (sizing), Diameter, Diameter measurement, Equations, Particle size distribution
ICS19.120 Particle size analysis. Sieving
CommitteeLBI/37
ISBN978 0 580 80366 6
PublisherBSI
Pages38

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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