| OCR Text |
Show - step - is that of conduction of heat to and within the 59 " Work in Similar sample, Systems A number of interesting reports have been made concerning research - in areas somewhat analogous to the calcium carbonate decomposttton, For the most part the techniques to the work at hand but some and Bradley, Colvin, action in solids" reported particles." and results not are directly applicable of the more significant Hume(21)' in work "on the the rate of rate of nucleation and linear the 27 decomposition propagation as well as are reviewed: mass to be a rate of function of the the size and of shape Nucleation is proportional to the number of reaction sites, hence it becomes a function of the total They evaluated their theory area, using the dehydration of potasstum oxalate hemihydrate and calcium bonate re car hexahydr ate, Similar, to this work is that oxalate decomposttion, reported by He concluded that nuclei for mation control of the rate with the nucleation sample, The reaction depth, and zone was this influenced the Prout and MacDonald(22) also depending pictured as upon the on was the main history changing silver of the in breadth and r ate, Tompkins(23) discuss the thermal decomposition of potasstum and silver per manganate and conclude that nuclei formation is important since they discovered a definite induction period particular ly for the large crystals, Topley(24) has been active in working with the solid 1 = solid 2 +, |
