ISO 1953:2025

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Coal - Size analysis by sieving

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ISO 1953:2025

This document specifies reference methods for the size analysis of coal by manual sieving (wet or dry), using test sieves of aperture sizes between 90Β mm and 45Β ΞΌm.

A guide to sampling is given in AnnexΒ 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.

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