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Zink concentrates. Atomic absorption method for determination of copper, lead, cadmium, cobalt, iron, potassium, sodium, gold, silver, indium, calcium and magnesium

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Ground sulphur for rubber products and rubbers. Specifications

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Raremetallic concentrates. General requirements to the methods of analysis

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Benzene hydrocarbons and allied products. Method of determination of boiling range

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Niobium pentoxide. Method for the determination of fluor content

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Petroleum products. Method for determination of flash point in a closed cup

Document status: Replaced by GOST 6356-2025