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See Chinese contents: GB/T 30733-2014 GB/T 30733-2014: Determination of total carbon, hydrogen and nitrogen content in coal -- Instrumental method
This Standard specifies the method summary, reagents and materials, instrument and equipment, determination, calibration, results statement, accuracy etc. of determining carbon, hydrogen and nitrogen in the coal by instrumental method. This Standard applies to quick determination of carbon, hydrogen and nitrogen in lignite, bituminous coal and anthracite.
