New Stoichiographic Methods for Assessing Spatial Inhomogeneities in the Composition and Structure of Solid Substances and Materials
- Authors: Pochtar’ A.A.1, Malakhov V.V.1,2
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Affiliations:
- Boreskov Institute of Catalysis, Siberian Branch
- Novosibirsk State University
- Issue: Vol 54, No 7 (2018)
- Pages: 749-755
- Section: Article
- URL: https://journals.rcsi.science/0020-1685/article/view/158496
- DOI: https://doi.org/10.1134/S0020168518070130
- ID: 158496
Cite item
Abstract
This paper summarizes data on new approaches to the detection, identification, and quantitative determination of manifestations of spatial inhomogeneities in the chemical composition and structure of mixtures of inorganic solid phases by a standardless differential dissolution (DD) stoichiographic method. We present mathematical modeling results for DD processes in different models for mixtures of solid phases. Based on the modeling results, we formulate rules of stoichiographic calculations for DD results, which are confirmed in identifying manifestations of spatial inhomogeneities in the phase composition of real systems, including fanlike separation of phase mixtures, without their selective separation.
About the authors
A. A. Pochtar’
Boreskov Institute of Catalysis, Siberian Branch
Author for correspondence.
Email: po4tar@catalysis.ru
Russian Federation, pr. Akademika Lavrent’eva 5, Novosibirsk, 630090
V. V. Malakhov
Boreskov Institute of Catalysis, Siberian Branch; Novosibirsk State University
Email: po4tar@catalysis.ru
Russian Federation, pr. Akademika Lavrent’eva 5, Novosibirsk, 630090; ul. Pirogova 2, Novosibirsk, 630090
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