Abstract
The thermogravimetric analysis of several coprecipitated zinc-copper oxalates in nitrogen is reported. The thermal decompositions of these mixed oxalates show a separate single step for dehydration and decomposition in the mass loss versus temperature curve. It is found that the onset temperature decreases with composition. For example, it decreases from 380‡ for zinc oxalate to 260‡ for copper oxalate. The end-product is mixed oxides and copper metal. These studies indicate the formation of an interpenetrating structure or mixed crystals during coprecipitation. Rate parameters have been calculated for dehydration and decomposition.
Article PDF
Explore related subjects
Discover the latest articles, news and stories from top researchers in related subjects.Avoid common mistakes on your manuscript.
References
L. Singh, Sci. Industr. Res., 11A (1952) 63.
E. S. Freeman andB. J. Carroll, J. Phys. Chem., 62 (1958) 394.
A. W. Coats andJ. T. Redfern, Nature, 201 (1964) 68.
Author information
Authors and Affiliations
Additional information
One of us (B. D. D.) is grateful to the University Grants Commission, New Delhi, India, for the award of a research fellowship.
Rights and permissions
About this article
Cite this article
Dalvi, B.D., Chavan, A.M. Thermal decomposition of mixed oxalates. Journal of Thermal Analysis 14, 331–334 (1978). https://doi.org/10.1007/BF01915171
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01915171