离子极化和高氯酸盐热稳定性规律的CASP标度

Ionic Polarization and CASP Scale of Thermal Stability Law of Perchlorates

人们对高氯酸盐的热分解行为已作了大量实验研究,并试图用离子极化作用理论从纷繁的实验数据中总结其分解产物和热稳定性规律。但这种评估大多限于定性描述,而且某些理化手册从热谱曲线中择用的分解温度数据亦时有偏颇.本文拟采用键参数函数“CASP”标度法预测高氯酸盐分解温度,为广泛评估高氯酸盐热稳定性规律建立了定量判据.

In this paper, a quantitative relationship between the ionic polarization and the thermal stability of perchlorates is investigated by means of the bond parameter function CASP scale. An optimized semiempirical and linear equation for estimating the thermal decomposition temperature of the perchlorates is established, and the Td values of some perchlorates are calculated. The results, except those for AgClO4, are in good agreement with the values from the literatures.