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Reliability of kinetic measurements for the thermal dehydration of lithium sulphate monohydrate.:Part 1. Isothermal measurements of pressure of evolved water vapour

Authors
Journal
Thermochimica Acta
0040-6031
Publisher
Elsevier
Publication Date
Volume
203
Identifiers
DOI: 10.1016/0040-6031(92)85198-5

Abstract

Abstract The thermal dehydration of single crystal and powdered samples of lithium sulphate monohydrate, Li 2SO 4· H 2O, has been selected for detailed examination of the reliability of kinetic parameters obtained from isothermal measurements of the pressure of water vapour evolved in an initially evacuated, constant-volume apparatus. The reproducibility was examined and various methods of isothermal kinetic analysis, including integral and differential methods and the use of reduced-time scales, were compared. Arrhenius parameters derived from these experiments are compared with previously published values.

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