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Urea for industrial use. Determination of alkalinity. Titrimetric method
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Urea for industrial use. Potentiometric method of buffer capacity determination
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Urea for industrial use. Potentiometric method for determination of pH variation in presence of formaldehyde
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Bees wax. Method of unsaponuficable matters determination
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Beekeeping products. Method for determination of ash mass fraction
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Aggregates, fines and its mixtures made from recycled reinforced and non-reinforced concrete. Specifications
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