Kinetics of Thermal Decomposition of Ammonium Perchlorate with Nanocrystals of Binary Transition Metal Ferrites

被引：68

作者：

Singh, Gurdip ^{[1
]}

Kapoor, Inder Pal Singh ^{[1
]}

Dubey, Shalini ^{[1
]}

Siril, Prem Felix ^{[2
]}

机构：

[1] DDU Gorakhpur Univ, Dept Chem, Gorakhpur 273009, Uttar Pradesh, India

[2] Univ Paris 11, LCP, F-91405 Orsay, France

来源：

PROPELLANTS EXPLOSIVES PYROTECHNICS | 2009年 / 34卷 / 01期

关键词：

Ammonium Perchlorate (AP); Binary Transition Metal Ferrite (BTMF) Nanocrystals; Catalytic Activity; Thermal Decomposition; THERMOLYSIS; OXIDES; SALTS; AP;

D O I：

10.1002/prep.200900017

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Binary transition metal ferrite (BTMF) nanocrystals of formula MFe(2)O(4) (M =Cu, Co, Ni) were prepared by the coprecipitation method and characterized by X-ray diffraction (XRD). XRD patterns gave average particle size by using Scherrer's equation for CuFe(2)O(4) (CuF), CoFe(2)O(4) (CoF), and NiFe(2)O(4) (NiF) as 39.9, 27.3, and 43.8 nm. respectively. The catalytic activity measurements on the thermal decomposition of ammonium perchlorate (AP) were carried out by using thermogravimetry (TG), differential thermal analysis (DTA), and ignition delay studies. Isothermal TG data up to a mass loss of 45% have been used to evaluate kinetic parameters by using model fitting as well as isoconversional method. The order of catalytic activity was found to be: CoFe(2)O(4)> CuFe(2)O(4)> NiFe(2)O(4)

引用

页码：72 / 77

页数：6

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