ASTM E2578 - 07(2012)

    Standard Practice for Calculation of Mean Sizes/Diameters and Standard Deviations of Particle Size Distributions

    Active Standard ASTM E2578 | Developed by Subcommittee: E56.02

    Book of Standards Volume: 14.02


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    Significance and Use

    Mean particle diameters defined according to the Moment-Ratio (M-R) system are derived from ratios between two moments of a particle size distribution.

    1. Scope

    1.1 The purpose of this practice is to present procedures for calculating mean sizes and standard deviations of size distributions given as histogram data (see Practice E1617). The particle size is assumed to be the diameter of an equivalent sphere, for example, equivalent (area/surface/volume/perimeter) diameter.

    1.2 The mean sizes/diameters are defined according to the Moment-Ratio (M-R) definition system. , ,

    1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    E1617 Practice for Reporting Particle Size Characterization Data


    ICS Code

    ICS Number Code 19.120 (Particle size analysis. Sieving)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/E2578-07R12

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