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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

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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

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Petroleum products. Determination of sulfur content by method of wavelength-dispersive X-ray fluorescence spectrometry

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Lubricating oils. Determination of evaporating loss by Noack method

Document status: Active