Russian standards
Reagents. Disodium hydrogen phosphate dodecahydrate. Specification
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Petroleum products. Determination of carbon residue by Ramsbottom method
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Chalk. Method for determination of water-soluble matters content
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Molybdenum concentrates. Methods for the determination of molybdenum content
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Compressed-air dryers. Specifications and test methods
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Fired heaters for refineries. General technical requirements
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