Anthracite is what kind of indicators?
Dry base total sulfur St, D (%) 0.6-0.9, heat kcal/kg6300-7100 kcal, fixed carbon (Fcab%) 73-83, ST C 1380-1500. ash fusibility
Indicators of coal in this range are called anthracite: total water Mt (%) 4-6, dry base ash Ad (%) 10-15, dry ash free volatile Vdaf (%) 7-9,
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