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Постійне посилання колекціїhttps://dspace.nuft.edu.ua/handle/123456789/7497

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  • Ескіз
    Документ
    Extraction-sorption concentrating and next photometric definition of some biologically active compounds
    (1992) Shtokalo, Miroslava; Kostenko, Elizaveta
    The conditions of the immobilization dyes at the surface КУ-28 were found. The interaction of organic materials with the surface reagents was studied. The optimum conditions of the reactions, quantitative characteristics of the composition and the surface compounds stability; the effective dates of the modified sorbents have been obtained. A new solid-phase spectrophotometric procedures was developed for determination of the organic materials organic materials in the objects.
  • Ескіз
    Документ
    The study of zirconium and hafnium complexes with pyrazolon derivatives and their use in analysis
    (1982) Shtokalo, Miroslava; Kostenko, Elizaveta; Ostrovska, Mira; Rizhenko, Victoria
    The optimum conditions of the reaction and the composition of complexes that is formed were found. The complexformation constants were calculated. The Offered scheme of the interaction in systems. Offered methodses of the determination metals.