Browsing by Author "Tupys, Andriy"

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    Extraction-Photometric Determination Of Cadmium(II) Using 1-(5-benzylthiazol-2-yl)azonaphthalen-2-ol
    (Видавництво Львівської політехніки, 2013) Tupys, Andriy; Tymoshuk, Oleksandr
    Abstract – A new analytical reagent for photometric determination of cadmium(II) ions was proposed – 1-(5- benzylthiazol-2-yl)azonaphthalen-2-ol (BnTAN). The complexation reaction between cadmium(II) and BnTAN and was investigated using extraction-photometric method. A sensitive extraction-photometric technique of cadmium determination using 1-(5-benzylthiazol-2-yl)azonaphthalen-2-ol after extraction into toluene was developed. The lowest quantity of cadmium that can be determined is mmin(Cd) = 0,30 μg. The hypothetical scheme of complexation reaction was predicted. The possibility of determination of other transition metals and the selectivity of the technique was studied too.
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    Spectrophotometric investigation of Cu(II) ions interaction with 1-(5-benzylthiazol-2-yl)azonaphthalen-2-ol
    (Publishing House of Lviv Polytechnic National University, 2016) Tupys, Andriy; Tymoshuk, Oleksandr; Rydchuk, Petro
    The creation of Cu2+ ions chelate complex with 1-(5-benzylthiazol-2-yl)azonaphthalen-2-ol has been investigated using spectrophotometric methods. The optimal conditions for the complexation reaction and for extraction into the organic phase were found. The extraction-photometric method of copper microquantities determination was developed. Спектрофотометричними методами було досліджено утворення хелатного комплексу йонів Cu2+ із 1-(5-бензилтіазол-2-іл)азонафтален-2-олом. Знайдено оптимальні умови для реакції комплексоутворення та екстракції в органічну фазу. Розроблено методику екстракційно-фотометричного визначення мікрокількостей міді.