THERMAL-BEHAVIOR AND KINETIC-ANALYSIS OF THE THERMOGRAVIMETRIC DATA OF DOUBLE AMMONIUM-SULFATE HEXAHYDRATE SALTS OF MN(II), FE(II), CO(II), NI(II) AND CU(II)

被引：11

作者：

YILMAZ, VT

ICBUDAK, H

OLMEZ, H

机构：

[1] Faculty of Arts and Sciences, Chemistry Department, Ondokuz Mayis University, 55139 Kurupelit, Samsun

来源：

THERMOCHIMICA ACTA | 1994年 / 244卷

关键词：

DOUBLE SALT; DTA; DTG; KINETICS; TG; XRPD;

D O I：

10.1016/0040-6031(94)80209-2

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The thermal behaviour of double ammonium sulphate hexahydrates of Mn(II), Fe(II), Co(II), Ni(II) and Cu(II) was studied in air using TG and DTA techniques. X-ray powder diffractometry was used to identify the solid decomposition products. The thermal stability of these double salts in the solid state is discussed and the mechanism of their decomposition is also suggested. A kinetic analysis of the TG data was performed by using Jeres' modification of the Freeman-Carroll method to determine the apparent activation energy and order of reaction.

引用

页码：85 / 92

页数：8

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