DECOMPOSITION OF HYDRATED COPPER-SULFATE UNDER NONISOTHERMAL CONDITION

There are presented results of studies on the decomposition of CuSO4 . 5H(2)O under non-isothermic conditions. It has been found out that process occured in four stages: in the first one - 4 molecules of water were released, in the second - the last one, in the third - anhydrous copper sulfate transformed into CuO . CuSO4, and in the fourth copper oxide was obtained. It has been shown that for the three first stages of decomposition the best description of the process in given by the function g(alpha) = - In(1 - alpha), and for the fourth one by g(alpha) = 3/2[1 - 2 alpha/3 - (1 - alpha)(2/3)]. Parameters of Arrhenius and Eyring equation have been determined.