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Thermal orthophosphoric acid. Specifications

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Graphite. Method for determination of hydrogen ions concentration of water suspension and water extract

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Associated gas. Classification criterions

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Petroleum products. Determination of aromatic hydrocarbon types in middle distillates. High performance liquid chromatography method with refractive index detection

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Coals and anthracite. Determination method for microhardness and microbrittleness

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Reagents. Ammonium metavanadate. Specifications

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