- na 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 of lump coke, the temperature shall be not less than 104°C nor more than 200°C; in the case of coke passing a 250-µm (No. 60) sieve, the temperature shall be not less than 104°C nor more than 110°C for a period of 1 h.
ASTM D121-09a Standard Terminology of Coal and Coke. 2014.
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dry, ash-free basis — n data calculated to a theoretical base of no moisture or ash associated with the sample. Numerical values as established by Test Methods D3173 and D3174 are used for converting the as determined data to a moisture and ash free basis … Coke&Coal Terminology
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dry distillation — destructive distillation, decomposition or destruction of organic substances by means of heat and an absence of air (produces products such as coke, charcoal, oils and gases) … English contemporary dictionary
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