摘要
用计算机在线检测的激光监视动态法实验测得三聚氰酸、三聚氰酸二酰胺、三聚氰酸一酰胺在乙醇中的溶解度。用Apelblat等提出的溶解度方程对实验数据成功地进行了关联,求得298.15K时三聚氰酸、三聚氰酸二酰胺、三聚氰酸一酰胺在乙醇中的表观溶解热,它们分别为:81.252 kJmol-1、48.148 kJmol-1、54.838 kJmol-1。
Cyanuric acid is a significant chemical intermediate, which is usually manufactured by the urea method. Because of hydrolysis, the product will contain a variety of impurities consisted of ammelide and ammeline etc, and large quantity of solid waste is discharged. The new technology of separating and recovering valuable compositions from solid waste is urgently developed, and the solubility data of cyanuric acid, ammelide and ammeline in solvents are basically needed for those separating and recovering process. Based on recently actively developed laser dynamitic method, the laser receptor with photoelectric conversion function was designed and installed in this paper, and the laser monitoring dynamitic method of solubility determination by computer on line was set up. After the apparatus reliability was checked, the solubility values of cyanuric acid, ammelide and ammeline in alcohol were measured in wider temperature rang. Using Apelblat抯 equation, the experimental solubility data were correlated successfully, and the apparent molar enthalpies of solutions at 298.15K were obtained.
出处
《高校化学工程学报》
EI
CAS
CSCD
北大核心
2003年第6期612-615,共4页
Journal of Chemical Engineering of Chinese Universities
基金
河南省杰出青年科学基金项目(9909)
