International Standard
ISO 1953:2025
Coal — Size analysis by sieving
Reference number
ISO 1953:2025
Edition 4
2025-10
© ISO 2026
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Published (Edition 4, 2025)

ISO 1953:2025

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Abstract

This document specifies reference methods for the size analysis of coal by manual sieving (wet or dry), using test sieves of aperture sizes between 90 mm and 45 μm. A guide to sampling is given in Annex A.

This document is applicable to all coals. It is not applicable to coke.

In the case of pulverized coal which has been ground so that a high proportion passes through the test sieve of the smallest aperture size, the methods of this document determine only the mass fraction oversize expressed as a percent.

General information

  • Status
     : Published
    Publication date
     : 2025-10
    Stage
    : International Standard published [60.60]
  • Edition
     : 4
    Number of pages
     : 15
  • Technical Committee :
    ISO/TC 27/SC 1
    ICS :
    73.040 
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