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Methods for the petrographic analysis of bituminous coal and anthracite. Part 4. Method of determining microlithotype, carbominerite and minerite composition
Document status: Active
Niobium pentoxide. Method for the determination of sulphur content
Document status: Active
Petroleum products. Determination of corrosiveness to copper strip
Document status: Replaced by GOST 32329-2025
Standard test methods for appearance of admixtures containing halogenated organic solvents
Document status: Active
Petroleum and petroleum products. Determination of sulfur content by method of energy dispersive X-ray fluorescence spectrometry
Document status: Replaced by GOST 32139-2019