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See Chinese contents: GB/T 4633-2014 GB/T 4633-2014: Determination of fluorine in coal
This Standard specifies the method abstract, reagents and materials, apparatus and device, measurement steps, result calculation, method precision, and test reports of using high temperature combustion hydrolysis - fluoride ion selective electrode method to determine the fluorine content in coal. This Standard applies to lignite, bituminous coal, and anthracite.
