The Characteristic Dissolution and Physical Chemistry Parameter of Synthetic Pyromorphite

被引：1
|
作者：
Zhao, Xin [1 ,2 ]
Zou, Wei [2 ]
Zhang, Zonglan [3 ]
Zhu, Zongqiang [3 ]
Zhu, Yinian [3 ]
机构：
[1] Guangxi Univ, Coll Light Ind & Food Engn, Nanning 530004, Guangxi, Peoples R China
[2] Hainan Res Acad Environm Sci, Hainan 571126, Peoples R China
[3] Guilin Univ Technol, Guangxi Sci Expt Ctr Min, Met & Environm, Guilin, Guangxi 541004, Peoples R China
来源：
ADVANCES IN MATERIALS AND MATERIALS PROCESSING IV, PTS 1 AND 2 | 2014年 / 887-888卷
基金：
中国国家自然科学基金;
关键词：
Pyromorphite; Dissolution mechanism; Solubility; Free energy of formation; SOLUBILITY; SOIL;
D O I：
10.4028/www.scientific.net/AMR.887-888.975
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The dissolution of synthetic pyromorphite was studied at 25 degrees C in a series of batch experiments. In addition, the aqueous concentrations from the batch dissolution were used to calculate the solubility product and free energy of formation of pyromorphite. The results of the Fourier transform infrared spectroscopy analyses indicated that the synthetic, microcrystalline pyromorphite with apatite structure used in the experiments has not changed after dissolution. The mean K-sp value was calculated for Pb-5(PO4)(3)Cl of 10(-78.31) at 25 degrees C; the free energy of formation Delta G(f)(0) [Pb-5(PO4)(3)Cl] was -3756.82kJ/mol.
引用
收藏
页码：975 / +
页数：2
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