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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

Molten lithium nitrate-potassium nitrate eutectic: the reaction of chromium(II) chloride

DH Kerridge and SA Tariq

Australian Journal of Chemistry 35(11) 2353 - 2356
Published: 1982

Abstract

The strong reducing agent chromium(II) chloride reacted rapidly in molten lithium nitrate-potassium nitrate, at or above the melting point of the eutectic, initially forming a dark-brown-black solution [probably containing chromium(III) and chromium(VI)] and gaseous nitrogen dioxide, but at 200ºC giving a green precipitate (Cr2O3) and an orange solution of dichromate. Above 450ºC, a further slow reaction converted both compounds into a yellow solution of chromate(VI) containing nitrite partly formed by thermal decomposition of the nitrate.

https://doi.org/10.1071/CH9822353

© CSIRO 1982

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