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Colour development in copper ruby alkali silicate glasses: Part 2. The effect of tin (II) oxide and antimony (III) oxide
Växjö University, Faculty of Mathematics/Science/Technology, School of Technology and Design.
Växjö University, Faculty of Mathematics/Science/Technology, School of Technology and Design.
Kemi, KTH.
Kemi, KTH.
2007 (English)In: Glass Technology, Eur J Glass Sci Technol A, Vol. 48, no 3, p. 142-148Article in journal (Refereed) Published
Abstract [en]

The effect of Sb3+ and Sn2+ during the heat treatment of copper ruby alkali silicate glasses is investigated. The reducing power of SnO and Sb2O3 with respect to Cu is investigated and it is concluded that SnO has the strongest reducing capability. When Cu2O and SnO concentrations are low, minor additions of Sb2O3 have an observable impact on colour development and and absorbance, as thin pieces of glass develop a bluish tint and larger shift towards longer wavelengths is observed in UV/vis spectra. The differences in colour and spectra are suggested to be caused by differences in size of the colour agent, Cu metal particles.

Place, publisher, year, edition, pages
Society of Glass Technology , 2007. Vol. 48, no 3, p. 142-148
Keywords [en]
glass, red colour, copper ruby
National Category
Materials Chemistry
Identifiers
URN: urn:nbn:se:vxu:diva-4739OAI: oai:DiVA.org:vxu-4739DiVA, id: diva2:204697
Available from: 2007-10-04 Created: 2007-10-04 Last updated: 2011-01-11Bibliographically approved

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