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Alumina. Method for the determination of silicon dioxide
Document status: Replaced by GOST 25542.1-2019
Brown coals, bituminous coals, anthracite and oil shales. Shortened methods of moisture determination
Document status: Active
Technical liquid ammonia. Determination of oil mass concentration by method of infra-red spectrometry
Document status: Active
Hard coal. Standard test method for froth flotation
Document status: Active