Special Topic

2016.07.27

Classification of Coal by Rank (ASTM D388-12)

Classification of Coal by Rank (ASTM D388-12). Calculating sulfur trioxide that is determined in accordance with ASTM D5016-08, dmmf:dry mineral-matter-free basis , moisture mmf : moisture mineral-matter free basis......

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2016.07.01

Basis of coal

Analytic data calculated to the moisture condition of sample as it arrived at the laboratory and before any processing or conditioning . If sample has been maintained in a sealed state, so there has been no gain or loss, the as received basis is equivalent to the moisture basis as sampled .Air dried basis (ad): A means of ...

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