摘要
用热分析(TG/DTG)技术研究了固态水杨酸钙(Ca(H_4C_6OHCOO)_2·2H_2O)在空气中的热分解过程.热分析结果表明,Ca(H_4C_6OHCOO)_2·2H_2O在空气中分4步分解.用Friedman法、Flynn-Wall-Ozawa(FWO)法和ASTM E698法求取了Ca(H_4C_6OHCOO)_2·2H_2O(s)失水过程的活化能E,并通过多元线性回归法给出了可能的机理函数.
The thermal decomposition processes taking place in the solid-state Ca（H4C6OHCOO）2 · 2H2O have been studied in air using TG/DTG techniques. TG/ DTG curves showed that the decomposition proceed through four well-defined step in air. The activation energies of dehydration process were calculated through the Fried- man, Flynn-Wall-Ozawa and ASTM E698 methods, and the possible comversion functions are estimated through the multiple-linear regression method.
出处
《华中师范大学学报（自然科学版）》
CAS
CSCD
北大核心
2009年第4期619-621,651,共4页
Journal of Central China Normal University：Natural Sciences
基金
国家自然科学基金项目(20071026)
湖北第二师范学院校管重点课题(2007A002)
