RELIABILITY OF KINETIC MEASUREMENTS FOR THE THERMAL DEHYDRATION OF LITHIUM-SULFATE MONOHYDRATE .1. ISOTHERMAL MEASUREMENTS OF PRESSURE OF EVOLVED WATER-VAPOR

被引：30

作者：

BROWN, ME

GALWEY, AK

PO, ALW

机构：

[1] QUEENS UNIV BELFAST,SCH PHARM,BELFAST BT9 5AG,ANTRIM,NORTH IRELAND

[2] QUEENS UNIV BELFAST,SCH CHEM,BELFAST BT9 5AG,ANTRIM,NORTH IRELAND

来源：

THERMOCHIMICA ACTA | 1992年 / 203卷

关键词：

D O I：

10.1016/0040-6031(92)85198-5

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The thermal dehydration of single crystal and powdered samples of lithium sulphate monohydrate, Li2SO4.H2O 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.

引用

页码：221 / 240

页数：20