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Maleic anhydride for industrial use. Methods of test. Part 3. Determination of free acidity. Potentiometric method
Document status: Active
Organic liquids. Determination of water by coulometric Karl Fischer titration
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Fuel oils. Method for determination of water and sediment by centrifugation method
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Petroleum products. Determination for acid number by potentiometric titration
Document status: Replaced by GOST 32327-2022
Concentrated kaolin. Method for determination of copper
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Niobium pentoxide. Chemical-atomic-emission method for determination of impurity metals
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