A study of thermal behaviour of intimate mixtures of different molar ratios of potassium chlorate and chromium(III) oxide, and potassium chlorate and nickel(II) chromite(III) was made by employing thermogravimetry, differential thermal analysis, chemical analysis, infrared spectroscopy and X-ray powder diffraction analysis. Potassium chlorate in presence of Cr(III), starts decomposing around 200°C which is much below the decomposition temperature of pure KClO3. Each mole of Cr(III) takes up 8/3 moles of KClO3 to become oxidized into potassium dichromate. © 1975.

M. Ramakrishna Udupa

IIT Madras is a public technical and research university located in Chennai, Tamil Nadu. Founded in 1959, it is recognised as an Institute of National Importance.

IIT Madras has been ranked as the top engineering institute in India for four years in a row by the National Institutional Ranking Framework of the MHRD

It currently offers undergraduate, postgraduate and research degrees across 16 disciplines in Engineering, Sciences, Humanities and Management. About 596 faculty belonging to science and engineering departments and centres of the Institute are engaged in teaching, research and industrial consultancy.

IIT Madras

Thermochimica Acta

A study of the thermal decomposition of intimate mixtures of sodium chlorate and chromium(III) oxide in different molar ratios was made employing thermogravimetry, differential thermal analysis, chemical analysis, infrared spectroscopy and X-ray diffraction analysis. Sodium chlorate in the presence of chromium(III) oxide starts to decompose around 180°, which is much below the decomposition temperature of pure NaClO3. Each mole of Cr2O3 consumes 8/3 moles of NaClO3, undergoing oxidation to sodium dichromate. © 1981 Heyden &amp; Son Ltd., London and Akadémiai Kiadó, Budapest.

Journal of Thermal Analysis

Thermal decomposition of sodium chlorate and chromium(III) oxide mixtures

Thermal behaviour of potassium perchlorate and potassium chlorate in presence of chromium(VI) oxide

Thermal behaviour of intimate mixtures of chromium(III) oxide and lithium1, potassium2, rubidium3, cesium3 and thallium(I)4 perchlorates revealed that chromium(III) oxide not only catalyses the decomposition by lowering the decomposition temperatures of the pure metal perchlorates but also chemically interacts resulting in the formation of metal dichromate. The oxidation of chromium(III) into the hexavalent state is attributed to the abstraction of oxygen from the perchlorate moiety during the decomposition. In this context, it was thought interesting to study the thermal behaviour of chromium(III) perchlorate and to identify the decomposition products in order to find out whether chromium(III) is oxidized into chromium(VI) by the perchlorate group. Except for a report5 on the preparation of chromium(III) perchlorate with different molecules of water of hydration no work seems to have been carried out on the thermal decomposition of this compound. In the present study, the decomposition characteristics are followed by TG and DTA techniques and the decomposition products have been examined by chemical analysis, X-ray powder diffraction patterns and infrared spectral measurements. © 1975.

Thermal behaviour of chromium (III) perchlorate hexahydrate

Journal of Chromatographic Science

THERMAL CONDUCTIVITY. Vol. 2 R. P. Tye, ed. (Dynatech Corp., Cambridge, Mass.) Academic Press, London/New York, 1969. 353 pp

The Journal of Physical Chemistry

The Differential Thermal Analysis of Perchlorates. VI. Transient Perchlorate Formation during the Pyrolysis of the Alkali Metal Chlorates1

Victorian Reports

Re SAFETY FIX PTY LTD

Analytical Chemistry

Infrared Spectra and Characteristic Frequencies of Inorganic Ions

Thermal decomposition of potassium chlorate in presence of chromium(III) oxide and nickel(II) chromite(III)

Journal	Thermochimica Acta
ISSN	00406031
Open Access	No