Specificity of decomposition of solids in non-isothermal conditions

被引：60
|
作者：
Vlase, T [1 ]
Vlase, G [1 ]
Doca, M [1 ]
Doca, N [1 ]
机构：
[1] W Univ Timisoara, Dept Chem, RO-1900 Timisoara, Romania
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2003年 / 72卷 / 02期
关键词：
compensation effect; IR wave number; isokinetic temperature; non-isothermal kinetics; pharmaceutical and food additives;
D O I：
10.1023/A:1024537902405
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The thermal stability of the food additives Na metabisulphite, Na and K acetates, glutamic and citric acids, respective of the pharmaceuticals nifedipine and acetyl salicylic acid was studied by means of the non-isothermal kinetic ( Friedman differential method). The specificity of the thermal decomposition was characterized by identification of the bond to be selective activated due to energy absorption at vibrational level. These bonds were assigned by comparison of calculated wave numbers with the wave number of the IR spectra.
引用
收藏
页码：597 / 604
页数：8
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