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Hydrochloric acid for industrial use. Determination of iron content 2,2`-bipyridyl spectrophotometric method

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Petroleum and petroleum products. Method for determination of vanadium

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Solid recovered fuels. Determination of ash content

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Reagents. Method of paper chromatography

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Pit hydraulic props. Test methods

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Reagents. Barium hydroxide 8-aqueous. Specifications

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