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Aromatic hydrocarbons. Determination of bromine index by electrometric titration

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Petroleum and petroleum products. Determination of ash content

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Ores and concentrates of non-ferrous metals. Method for determination of moisture content

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Natural gas. Determination of carbon dioxide by detector tubes

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Reagents. Ferric chloride hexahydrate. Specifications

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Micaceous plates for instrument-making. Specifications

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