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Alumina. Specifications

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Technical 4-hydroxybenzoic acid. Specifications

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Conservation oil K-17. Specifications

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Crude oil. Determination of water by coulometric Karl Fischer titration

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Lead concentrates. Determination of bismuth content. Photometric, polarographic and atomic absorption methods

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Optical brightness. Methods for the determination of concentration spade and maximum brightening effect of pulp-treated paper

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