THERMODYNAMIC TREATMENT OF H+/SR2+ ION-EXCHANGE IN GAMMA-TITANIUM PHOSPHATE

被引：6
|
作者：
TROBAJO, C [1 ]
SUAREZ, M [1 ]
LLAVONA, R [1 ]
GARCIA, JR [1 ]
RODRIGUEZ, J [1 ]
机构：
[1] UNIV OVIEDO,FAC QUIM,AREA QUIM INORGAN,OVIEDO,SPAIN
来源：
THERMOCHIMICA ACTA | 1991年 / 186卷 / 02期
关键词：
D O I：
10.1016/0040-6031(91)87041-T
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The H+/Sr2+ ion-exchange in gamma-Ti(HPO4)2.2H2O was studied. Exchange isotherms and pH curves were obtained at 298.15, 313.15 and 328.15(+/- 0.1) K. The half-exchanged phase TiHSr0.5(PO4)2.3H2O (interlayer distance 1.34 nm) was detected. The equilibrium constants and the standard molar Gibbs free energy, enthalpy and entropy of the exchange reaction were determined.
引用
收藏
页码：253 / 258
页数：6
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