Mass spectral studies on the mechanism of thermal decomposition of Zn(NO3)2•nH2O

被引：35
|
作者：
Malecka, B
Gajerski, R
Malecki, A
Wierzbicka, M
Olszewski, P
机构：
[1] Stanislaw Staszic Univ Min & Met, Fac Mat Sci & Ceram, PL-30059 Krakow, Poland
[2] Polish Acad Sci, Inst Catalysis & Surface Chem, PL-30239 Krakow, Poland
来源：
THERMOCHIMICA ACTA | 2003年 / 404卷 / 1-2期
关键词：
zinc nitrate; thermal decomposition; QMS analysis;
D O I：
10.1016/S0040-6031(03)00101-1
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Thermal decomposition of Zn(NO3)(2)(.)nH(2)O(n = 4 and 6) was studied using TG,DTA and QMS techniques. Measurements were performed in helium and in dry air. It was found that the examined reaction is a multi-step process with overlapping stages. The whole process depends on the rate of heating. Degradation of nitrate(V) groups starts before all water of crystallisation is removed from the system. Zn(NO3)(2)(.)2Zn(OH)(2) was identified as intermediate product of decomposition of Zn(NO3)(2)(.)nH(2)O. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：125 / 132
页数：8
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