Thermal studies on oxalate complexes. IV. Potassium bis(oxalato)cuprate(II) dihydrate |
| |
Authors: | J.E. House |
| |
Affiliation: | Department of Chemistry, Illinois State University, Normal, IL 61761 U.S.A. |
| |
Abstract: | The dehydration and decomposition of K2[Cu(C2O4)2] · 2 H2O have been studied using TG. The dehydration reaction gave the best fit to a second-order rate equation and has an activation energy of 411.5 ± 41.1 kJ mole?1. Three distinct decomposition patterns were observed for the anhydrous complex. In the first case, K2[Cu(C2O4)2] decomposes to K2CO3 and CuO by loss of CO2 and 2 CO. In the second case, decomposition leads to K2C2O4 and Cu by loss of 2 CO2. In the third case, the basic carbonate K2[Cu(CO3)3/2O1/2] is produced by loss of 2 CO and 0.5 CO2. In the last case additional loss of CO2 leads to the formation of K2CO3 and CuO in a separate reaction. Kinetic parameters are reported and discussed for all these reactions. |
| |
Keywords: | |
本文献已被 ScienceDirect 等数据库收录! |
|