Thermal behavior of binary complex сompounds сontaining the hexacyanoferrate anion


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Abstract

The thermal behavior of compounds with the general formula [MA6]x[Fe(CN)6]y (M = Со, Cu, Ni, A = NH3, 1/2 C3H10N2) in air, argon, nitrogen, and hydrogen at temperatures between 20 to 1000°C was studied. The study involved measurement of TG–DSC–DTG curves and analysis of solid and gaseous thermolysis products. It was found that the process is not affected by the nature of the atmosphere up to about 200°C. The coordinated cyanide ion partially releases as hydrogen cyanide. The destruction of diamines forms NH3, and a large amount of carbon remains in the solid phase.

About the authors

S. I. Pechenyuk

Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Karelian Research Center

Author for correspondence.
Email: pechenyuk@chemy.kolasc.net.ru
Russian Federation, Akademgorodok 26a, Apatity, Karelia, 184209

D. P. Domonov

Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Karelian Research Center

Email: pechenyuk@chemy.kolasc.net.ru
Russian Federation, Akademgorodok 26a, Apatity, Karelia, 184209

A. A. Shimkin

Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Karelian Research Center

Email: pechenyuk@chemy.kolasc.net.ru
Russian Federation, Akademgorodok 26a, Apatity, Karelia, 184209

Yu. P. Semushina

Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Karelian Research Center

Email: pechenyuk@chemy.kolasc.net.ru
Russian Federation, Akademgorodok 26a, Apatity, Karelia, 184209

Yu. V. Ivanov

Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Karelian Research Center

Email: pechenyuk@chemy.kolasc.net.ru
Russian Federation, Akademgorodok 26a, Apatity, Karelia, 184209


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