Tatiana S. Chmilenko, L. A. Ivanitsa, Fedor A. Chmilenko
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引用次数: 1
摘要
在聚电解质作用的浓度范围内，用光谱法研究了5阴离子型杂蒽染料- 9- r -2,3,7-三羟基-6-氟酮(ТОF)与阳离子聚电解质(PE) -聚六亚甲基氯胍(PHMG)的相互作用。计算了Hammet σ常数。建立了ТОF结构与水-聚电解质溶液中水解平衡转移的关系。基于吸收光谱研究了рН、乙醇浓度、PHMG-TOF体系中组分比对阳离子PE与ТОF相互作用特性和分析信号值的影响。结果与在水溶液中得到的结果进行了比较。
Вплив замісників та характеру середовища на аналітичні властивості асоціатів ксантенових барвників з полігексаметиленгуанідиній хлоридом
The interaction of 5 anionic xanthene dyes – 9-R-2,3,7-trihydroxy-6-fluorones (ТОF) with cationic polyelectrolyte (PE) – polyhexamethyleneguanidine chloride (PHMG) has been studied by the optical spectroscopy in a concentration range where PHMG has a polyelectrolyte effect. Hammet σ-constants were calculated. The correlations between structure of ТОF and shift of protolytic equilibrium in aqueous-polyelectrolyte solutions were established. Influence of рН, concentration of the ethanol, components ratio in the system PHMG-TOF on the character of the interaction of cationic PE with ТОF and value of the analytical signal were studied based on absorption spectra. The results were compared to those obtained in water solutions.
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