Dzharlagasova Dana Nurullovna RussiaSaratovSaratov State University , 83, Astrakhanskaya str., Saratov, 410012, Russia dana.dzharlagasova@mail.ru Author's articles Quantum Chemical Studies of Potential Associates in Europium (III) Alginate Solutions Quantum-chemical Studies of Several Lanthanide Compounds with Products of Starch Thermal Decomposition