ASTM Standard
D3302 Test Method for Total Moisture in Coal

ASTM D121-09a Standard Terminology of Coal and Coke. 2014.

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  • air-dry loss — n in coal, the loss in mass, expressed as a percentage, resulting from each air drying stage or the sum of all sequential air drying stages in which the results from each stage are adjusted to the as received basis. DISCUSSION Air dry loss is… …   Coke&Coal Terminology

  • dry coke — n a laboratory term applied to coke that has been dried to constant weight in accordance with definite prescribed methods. DISCUSSION The methods used shall be those for the determination of moisture prescribed in Test Method D3302. In the case… …   Coke&Coal Terminology

  • easily oxidized coals — n low rank coals such as subbituminous or lignitic coals. D3302 …   Coke&Coal Terminology

  • equilibrium — n condition reached in air drying in which change in weight of the sample, under conditions of ambient temperature and humidity, is no more than 0.1 %/h or 0.05 %/1⁄2 h. D3302 …   Coke&Coal Terminology

  • moisture — n in coal, that water in and on coal assayed in accordance with standard test methods in which the final step is the measurement of mass loss from a coal sample heated to 104 to 110°C at specified conditions of residence time, atmosphere, sample… …   Coke&Coal Terminology

  • residual moisture — n that moisture remaining in the sample after air drying. DISCUSSION Residual moisture is neither a standard state nor a characteristic property of a coal.Air drying only removes water that can evaporate at or near ambient laboratory conditions… …   Coke&Coal Terminology

  • total moisture — n all of the moisture in and on a consignment or sample of coal. DISCUSSION In a consignment or sample of coal in which surface moisture is present, total moisture is the sum of surface moisture and pore moisture. In consignments or samples of… …   Coke&Coal Terminology

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