Determining the Phase Composition of Copper Ferrite Samples by a Standardless Differential Dissolution Method

A. A. Pochtar’; Почтарь А. А.; O. V. Komova; Комова О. В.; O. V. Netskina; Нецкина О. В.

doi:10.31857/S0002337X23010153

Determining the Phase Composition of Copper Ferrite Samples by a Standardless Differential Dissolution Method

Autores: Pochtar’ A.A.¹, Komova O.V.¹, Netskina O.V.¹
Afiliações:
1. Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, Russia
Edição: Volume 59, Nº 1 (2023)
Páginas: 46-53
Seção: Articles
URL: https://medjrf.com/0002-337X/article/view/668392
DOI: https://doi.org/10.31857/S0002337X23010153
EDN: https://elibrary.ru/OTMGJQ
ID: 668392

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Resumo

This paper reports the use of a differential dissolution stoichiographic method for determining the phase composition of catalysts for ammine borane hydrolysis and hydrothermolysis [1, 2]. Cu1–xFe2+xO4 copper ferrite samples were prepared using layer-by-layer combustion, dried, and then calcined at different temperatures. We describe conditions that make it possible to detect and quantitatively determine various phases in the composition of amorphous and crystalline materials with the spinel structure and compare differential dissolution and X-ray diffraction results.

Palavras-chave

differential dissolution method, phase composition, stoichiometry, spinel structure

Bibliografia

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