Valentyn I Davydov

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Quaternary ammonium salts (QAS) of aliphatic (tetradecylammonium nitrate) and heterocyclic (lucigenine) nature immobilized onto silica surface have been proposed as effective anion-exchangers for the adsorptional extraction of silicate in the form of the reduced molybdo-silicic heteropoly anion for the successive determination in the solid phase by using(More)
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