Crystal structure transformations in ammonium and alkali metal perchlorates
作者： V.R. Pai Verneker , K. Rajeshwar
DOI: 10.1016/0040-6031(75)85050-7
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摘要: Abstract A comparative study of the polymorphic transformations in ammonium and alkali metal perchlorates has been made using differential thermal analysis. Certain correlations have attempted between observed trends transformation temperatures available crystallographic thermodynamic data. The case sodium perchlorate shows pronounced second-order effects. Considerable hysteresis is ammonium, potassium, rubidium caesium perchlorates. Doping with phosphate seen to result an upward shift temperature increase hysteresis. Prior mechanical treatment also a broadening loops potassium results are explained terms contrapolarization effects production strain material as prior treatment.
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