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Ground feldsparic and quartzfeldsparic materials. Rules of reception. Methods of sampling and sample preparation for testing
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Crude petroleum and petroleum products. Determination of density, relative density and API gravity. Hydrometer method
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Solid recovered fuels-14C-based methods for the determination of the biomass content
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Black powders. Method for determination of particle size distribution
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Brown coals, hard coals, anthracite, combustible shales and turf. Method for the determination of free calcium oxide in the ash
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