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Perfumery and cosmetics. Colorimetric methods for the determination of the mercury, lead, arsenic, cadmium content

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Reagents. Ammonia water. Specifications

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Carbonaceous materials for use in the production of aluminium. Green and calcined coke. Determination of trace elements by flame atomic absorption spectroscopy

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Solid biofuels. Methods for sample preparation

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Preventive composition PP 95/5. Specifications

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Denatured bioethanol fuel. Specifications

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