Nonstoichiometric reactions producing ceramic pigments

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1 Citation (Scopus)

Abstract

The reactions synthesizing diopside ceramic pigments using natural minerals-talc and wollastonite-have been investigated. For the initial components taken in a nonstoichiometric ratio the yield of the main reaction product - diopside - increases in two of the three reactions studied, while in the third reaction a change of the stoichiometry of the input components results in a lower content of diopside. It is found that for a small deviation from stoichiometry the dominant crystal structure of the pigment changes, which in turn fundamentally changes the color of the pigment.

Original languageEnglish
Pages (from-to)76-79
Number of pages4
JournalGlass and Ceramics (English translation of Steklo i Keramika)
Volume68
Issue number3-4
DOIs
Publication statusPublished - Jul 2011

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Pigments
Stoichiometry
Talc
Reaction products
Minerals
Crystal structure
Color
diopside
calcium silicate

Keywords

  • ceramic pigments
  • chromophore
  • diopside
  • synthesis
  • talc
  • wollastonite

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry
  • Mechanics of Materials

Cite this

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title = "Nonstoichiometric reactions producing ceramic pigments",
abstract = "The reactions synthesizing diopside ceramic pigments using natural minerals-talc and wollastonite-have been investigated. For the initial components taken in a nonstoichiometric ratio the yield of the main reaction product - diopside - increases in two of the three reactions studied, while in the third reaction a change of the stoichiometry of the input components results in a lower content of diopside. It is found that for a small deviation from stoichiometry the dominant crystal structure of the pigment changes, which in turn fundamentally changes the color of the pigment.",
keywords = "ceramic pigments, chromophore, diopside, synthesis, talc, wollastonite",
author = "Sedel'nikova, {M. B.} and Pogrebenkov, {V. M.} and Liseenko, {Natalia Vladimirovna} and Gorbatenko, {V. V.}",
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T1 - Nonstoichiometric reactions producing ceramic pigments

AU - Sedel'nikova, M. B.

AU - Pogrebenkov, V. M.

AU - Liseenko, Natalia Vladimirovna

AU - Gorbatenko, V. V.

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AB - The reactions synthesizing diopside ceramic pigments using natural minerals-talc and wollastonite-have been investigated. For the initial components taken in a nonstoichiometric ratio the yield of the main reaction product - diopside - increases in two of the three reactions studied, while in the third reaction a change of the stoichiometry of the input components results in a lower content of diopside. It is found that for a small deviation from stoichiometry the dominant crystal structure of the pigment changes, which in turn fundamentally changes the color of the pigment.

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KW - diopside

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KW - talc

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