Thermochemical study of the complex formation of mercury(II) with nitrilotriacetic acid in an aqueous solution

被引：0
|
作者：
D. F. Pyreu
E. V. Kozlovskii
机构：
[1] Ivanovo State University,
来源：
Russian Journal of Coordination Chemistry | 2009年 / 35卷
关键词：
Thermal Effect; Coordination Chemistry; Xylenol Orange; Nitrilotriacetic Acid; Nitrilotriacetate;
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摘要：
The formation constant of the Hg(Nta)24− complex, where Nta3− is the nitrilotriacetate ion, is determined by pH-metric titration at 298.15 K and ionic strength I = 0.5 (KNO3) (logβ = 21.49 ± 0.10). The thermal effects for the formation of the Hg(NTa)i2−3i complexes (i = 1, 2) are determined by a direct calorimetric method (−56.69 ± 1.04 and −85.88 ± 1.32 kJ/mol for i = 1 and 2, respectively).
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页码：47 / 51
页数：4
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