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Petroleum bitumen. Method for determination of change of mass after heating

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Fuel peat for pulverized burning. Specifications

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Technical 1-naphthol -2-carboxylic acid. Specifications

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Solid mineral fuels. Determination of chlorine. High temperature combustion method

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Copper and complex ores, and products of their processing. Atomic absorption spectrometry method for weight fraction of measurement of copper, zinc, lead, bismuth, cadmium, antimony

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Natural combustible gas. Energy determination

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