Phase equilibria in the system NH4Al(SO4)2-H2SO4-H2O

被引：4

作者：

Nyvlt, J ^{[1
]}

Hostomská, V

Pavelka, V

机构：

[1] Acad Sci Czech Republ, Inst Inorgan Chem, CZ-25068 Rez, Czech Republic

[2] Spolchemie, CZ-40068 Usti Nad Labem, Czech Republic

来源：

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2000年 / 63卷 / 02期

关键词：

ammonium aluminium sulphate; solubility; sulphuric acid;

D O I：

10.1023/A:1010109000558

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Equilibrium solubility curves of the ammonium aluminium sulphate in aqueous solutions of sulphuric acid have been calculated using checked literature data and our own measurements. The concentration of sulphuric acid ranged from 0 to 23 mass%, temperature range between 20 and 60 degreesC has been extrapolated up to 75 degreesC by means of a thermodynamically based correlation method. The solubility correlation as well as the hydration analysis implied a possible destructuralization of solutions at higher acid concentrations.

引用

页码：471 / 482

页数：12

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