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Information × Registration Number 0311U003949, 0107U010943 , R & D reports Title Synthesis of the new chemically modified adsorbents for solid phase exstraction of metal ions and molecules popup.stage_title Синтез лабораторних партій адсорбентів із закріпленими за реакцією Манніха комплексоутворюючими групами Head Tertykh Valentin Anatolievich, Registration Date 15-11-2011 Organization Zhytomyr State University named after Ivan Franko popup.description2 The objects of the research are chemically modified silicas with the covalently fixed 8-hydroxyquinoline, 4 (2 pyridylazo) resorcinol, 1 (pyridylazo)-2 naphthol and composites of the polyaniline with the precipitated silicas. The aim of the research is to develop and improve the synthesis conditions of the new chelating chemically modified sorbent agents of different nature; examine their physical and chemical properties, particularly adsorptive ions characteristics of the heavy metals. The methods of the research are the electron spectroscopy of the diffuse reflection and the ultraviolet spectroscopy, the X-ray fluorescence spectrography, the titrimetric analysis, the photometrical, atomic absorption and thermogravimetric methods of the analysis. The study develops the synthesis methodology dealing with the chemical collaring of the chelating reagents on the matrixes of various nature; synthesizes the modified silicas with the chemically inoculated 4 (2 pyridylazo) resorcinol (PAR) and 1-(2-pyridylazo)-2-naphthol (PAN); receives the silochrome with the adsorptive polyaniline (Z1165-PAN); obtains the data connecting with the physical and chemical properties of the modified sorbents; examines the sorption property of the modified adsorbing materials regarding the ions of the cobalt and cadmium. The study also examines the derivation of the polyaniline nanocomposites with the precipitated silicas (Z1165) with the surface area 102 m2/g. The optimal parameters of the polyaniline synthesis for receiving the adsorbents are established. The persorption was examined depending upon the synthesis time, correspondence of the reagents, the concentration of the acid nature, in the environment of which the synthesis takes place. The polyaniline was received by the oxidative aniline polymerization in the chloride acid. By the polyaniline depositing on the mineral particulate solids we can get relatively cheap adsorbing materials, particularly for the ions extraction of the metals. The perspective hypotheses regarding the research object development are the working out the tutorial book for the candidates for the master's degree, carrying out the research within the students and masters' graduation works. Product Description popup.authors Cусол Ліна Петрівна Вознюк Володимир Іванович Кичкирук Ольга Юріївна Кусяк Наталія Володимирівна Павлюк Інна Володимирівна popup.nrat_date 2020-04-02 Close