Hard coal. Size analysis by sieving
Hard coal. Size analysis by sieving
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What is ISO 1953 - Hard coal — Size analysis by sieving about?
ISO 1953 specifies reference methods for the size analysis of coal by manual sieving (wet or dry), using test sieves of aperture sizes between 125 mm and 45 μm . A guide to sampling is given in Annex A. ISO 1953 is applicable to all hard coals. 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 described in ISO 1953 will determine only th...
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