Browsing by Author "Lozynska, Lesya"
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Item Specrophotometric investigation of palladium(II) Ions Interaction with 5-hydroxyimino-4-imino-1,3-thiazolidin-2-one(Publishing House of Lviv Polytechnic National University, 2013) Lozynska, Lesya; Tymoshuk, OleksandrThe interaction of Pd(II) ions with 5-hydroxyimino-4-imino-1,3-thiazolidin-2-one (HITO) in water solution has been investigated. The optimum conditions of the complexation for the complex of palladium(II) with 5-hydroxyimino-4-imino-1,3-thiazolidin-2-one were found. The composition of the complex was determined. The method of spectrophotometric determination of palladium(II) ions with HITO was developed. Досліджено взаємодію йонів Pd(II) з 5-гідроксиіміно-4-іміно-1,3-тіазолідин-2-оном (ГІТО) у водному середовищі. Знайдено оптимальні умови комплексоутворення йонів паладію(IІ) з 5-гідроксиіміно-4-іміно-1,3-тіазолідин-2- оном. Визначено склад комплексу. Розроблено спектрофотометричний метод визначення йонів паладію(ІІ) з ГІТО.Item The Interaction of 5-hydroxyimino-4-imino-1,3-thiazolidin-2-one with Platinum(IV) Ions(Видавництво Львівської політехніки, 2013) Lozynska, Lesya; Tymoshuk, OleksandrThe work is devoted to the study of platinum(IV) ions with a new organic reagent – 5-hydroxyimino-4-imino-1,3-thiazolidin-2-one (HITO). The optimum conditions of interaction: pH = 5.0 (acetate buffer), 60 min heating in a boiling water bath, λmax = 350 nm have been found. The ratio of components in complex Pt(IV):HITO = 1:1 at рН = 5.0 has been established. The molar absorptivity (ε350 = 5.0∙103 L∙mol-1∙cm-1) and detection limit of platinum (Cmin = 2.4∙10-6 mol∙L-1) are calculated.