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Синтез и изучение свойств тиобарбитурата железа(III) А. П. Лакеев, А. О. Хомякова, Н. М. Коротченко

By: Лакеев, Александр ПавловичContributor(s): Хомякова, А. О | Коротченко, Наталья МихайловнаMaterial type: ArticleArticleOther title: Synthesis and examination of iron(III) thiobarbiturate properties [Parallel title]Subject(s): тиобарбитураты | растворимость | термическая устойчивость | железоGenre/Form: статьи в сборниках Online resources: Click here to access online In: Полифункциональные химические материалы и технологии. [Т. 2] : материалы Международной научной конференции, 22-25 мая 2019 г Т. 2. С. 29-31Abstract: The iron(III) thiobarbiturate (Fe(HthioBar)3∙nH2O) synthesis was carried out at 5 °C and pH ≈ 2,5. The product is represented by a crystalline slightly soluble in water powder of brown color. The water molecules number (n) was determined in the sample via gravimetry and thermogravimetry (n = 5). Besides, dominant complex particle composition at pH ≈ 2,3 in the Fe3+ – H2thioBar system ([FethioBar]+) and its stability constant (β1 = 1,0∙1011) were defined via spectrophotometry and pH-metry.
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The iron(III) thiobarbiturate (Fe(HthioBar)3∙nH2O) synthesis was carried out at 5 °C and pH ≈ 2,5. The product is
represented by a crystalline slightly soluble in water powder of brown color. The water molecules number (n) was
determined in the sample via gravimetry and thermogravimetry (n = 5). Besides, dominant complex particle
composition at pH ≈ 2,3 in the Fe3+ – H2thioBar system ([FethioBar]+) and its stability constant (β1 = 1,0∙1011) were
defined via spectrophotometry and pH-metry.

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