Investigations of Feldspar-Quartz Raw Materials After Firing: Effect of Various Na<sub>2</sub>O/K<sub>2</sub>O Ratio and Synthetic Pigments Addition

Investigations of Feldspar-Quartz Raw Materials After Firing: Effect of Various Na<sub>2</sub>O/K<sub>2</sub>O Ratio and Synthetic Pigments Addition

Different techniques (chemical analysis, X-ray diffraction, Mössbauer spectroscopy, UV-Vis-NIR spectrophotometry and chromaticity measurements) were used to study the color variation of feldspathic raw materials after firing at 1200 °C. Two varieties of feldspar-quartz grits (with Na<sub>2<...

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Bibliographic Details
Main Authors: Ewa Lewicka, Anita Trenczek-Zajac
Format: Article
Language:English
Published: MDPI AG 2020-07-01
Series:Minerals
Subjects:
potassium- and sodium-rich feldspar-quartz
coloring oxides
Mössbauer spectroscopy
UV-Vis-NIR spectrophotometry
color after firing
Online Access:https://www.mdpi.com/2075-163X/10/7/646

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https://www.mdpi.com/2075-163X/10/7/646

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