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Assessment of chromatic changes due to artificial ageing and/or conservation treatments of sandstones

Assessment of chromatic changes due to artificial ageing and/or conservation treatments of... Villamayor sandstone (also known as “golden sandstone”) has been widely used for construction in the city of Salamanca since Roman times. In the present study, the four most characteristic varieties of this material were used, considering the chromatic changes brought about by consolidation and/or waterproofing treatments and by cycles of artificial ageing of natural stone and of stone subjected to these treatments. The treatments consisted of application of a consolidant at different concentrations (RC 70 and 40% RC 70) and two consolidants plus waterproofing agents (RC 80 and RC 90). Artificial ageing was induced by 10 cycles of wetting/drying and freezing/thawing. The chromatic variations observed considering the E*, L*, a*, and b* parameters were subjected to statistical analysis. © 1998 John Wiley & Sons, Inc. Col Res Appl, 23, 46–51, 1998 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Color Research & Application Wiley

Assessment of chromatic changes due to artificial ageing and/or conservation treatments of sandstones

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References (5)

Publisher
Wiley
Copyright
Copyright © 1998 John Wiley & Sons, Inc.
ISSN
0361-2317
eISSN
1520-6378
DOI
10.1002/(SICI)1520-6378(199802)23:1<46::AID-COL7>3.0.CO;2-3
Publisher site
See Article on Publisher Site

Abstract

Villamayor sandstone (also known as “golden sandstone”) has been widely used for construction in the city of Salamanca since Roman times. In the present study, the four most characteristic varieties of this material were used, considering the chromatic changes brought about by consolidation and/or waterproofing treatments and by cycles of artificial ageing of natural stone and of stone subjected to these treatments. The treatments consisted of application of a consolidant at different concentrations (RC 70 and 40% RC 70) and two consolidants plus waterproofing agents (RC 80 and RC 90). Artificial ageing was induced by 10 cycles of wetting/drying and freezing/thawing. The chromatic variations observed considering the E*, L*, a*, and b* parameters were subjected to statistical analysis. © 1998 John Wiley & Sons, Inc. Col Res Appl, 23, 46–51, 1998

Journal

Color Research & ApplicationWiley

Published: Feb 1, 1998

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