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Brown coals, hard coals and anthracite. Radiation methods for the determination of ash content
Document status: Active
Fat and oil derivatives. Fatty acid methyl esters (FAME). Determination of potassium content by atomic absorption spectrometry
Document status: Active
Fluorite. Method for the determination of calcium carbonate content
Document status: Replaced by GOST 7619-2023
Reagents. Zinc compounds. Polarographic method for the determination of copper, lead and cadmium contents as impurities
Document status: Active
