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See Chinese contents: GB/T 483-2007 GB/T 483-2007: General rules for analytical and testing methods of coal
This Standard specifies the following contents relevant to coal analysis test: terms and definitions, symbols, analysis test of coal sample, solution concentration, determination, test result expression, result conversion, method precision and test record. This Standard is applicable to various coal analysis test method standards, documents, books and periodicals, teaching materials and manuals.
