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GOST 17818.13-90

Graphite. Method for determination of lead

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GOST 6552-80

Reagents. Orthophosphoric acid. Specifications

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GOST R ISO 4327-94

Non-ionic surface active agents. Polyalkoxylated derivatives. Determination of hydroxyl value. Phthalic anhydride method

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GOST R 50418-92

Soluble sodium silicate. Specifications

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GOST R 53682-2009

Fired heaters for refineries. General technical requirements

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GOST 781-78

Highoxidized petroleum bitumen softener. Specifications

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