Active Standard: D1857 / D1857M - 04(2010)
The current standard has ambiguous language for the preparation of the ash for the ash fusion test. The language for ashing the samples and the ambiguous temperature range currently recommended will be revised.
KeywordsCalibration--coal analysis instrumentation; Coal ash; Coke ash; Cone preparation; Furnaces; Heating tests--coal/coke; Reducing atmosphere test; Fusibility; Sieve analysis--coal/coke; Thermocouples;
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