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Solid mineral fuel. Determination of major and minor elements in ash by X-ray fluorescence spectrometric method

Document status: Active

Brown coals, hard coals, anthracite and combustible shales. Method for sampling of seam samples

Document status: Active

Clay raw materials. Method for determination of free silicon dioxide

Document status: Replaced by GOST 21216-2014

Petroleum-based lubricating oils. Ageing characteristics. Determination of change in Conradson carbon residue after oxidation

Document status: Active

Shearers. General technical requirements. Test methods

Document status: Cancelled

Laboratory glassware. Burettes. Part 3. Burettes for which awaiting time of 30 s is specified

Document status: Active