What do the testing parameters of coal mean?
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What do the indicators Mt%, Ad%, Vad%, Vdaf%, Std%, GR1, and Y value represent for these coals? A beginner seeking guidance.
Baidu-----Coal type specifications for various groups
Total moisture (Mt), ash on an air-dried basis (Aad), volatile matter on a dry, ash-free basis (Vdaf) and volatile matter on a received basis (Var), ash on a dry basis (Ad), etc., external moisture, volatile matter on a dry basis (Vd)
Total moisture (Mt), ash on a dry basis (Ad), volatile matter on a dry basis (Vd), volatile matter on a dry, ash-free basis (Vdaf), total sulfur on a dry basis (St.d), bonding index (GR.I), maximum thickness of the gum layer (Y)
Total moisture (Mt), ash on a dry basis (Ad), volatile matter on a dry basis (Vd), volatile matter on a dry, ash-free basis (Vdaf), total sulfur on a dry basis (St.d), bonding index (GR.I), maximum thickness of the gum layer (Y)