washability analysis of coal
- nthe analysis of the specific gravity distribution of chemical and physical characteristics of coal.DISCUSSION — The specific gravity fractions are obtained by subjecting the material being studied to a series of solutions, each with a discrete specific gravity, that cover the range of specific gravities in question. In the case of the washability analysis of coal, these solutions are obtained by the mixing of various organic liquids that are relatively inert toward the majority of coal types. The distribution, as determined by the analysis, is affected by the physical condition of the sample subjected to the washability analysis, for example, the moisture content and the size content of the material. D4371
ASTM D121-09a Standard Terminology of Coal and Coke. 2014.
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