Browsing by Subject "EPR SPECTROSCOPY"
Now showing items 1-3 of 3
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Article
Composition Profiles and Time Evolution of Buried Marble Patinas by La-Icp-Ms and Laser-Induced Micro-Photo-Luminescence
(2010)The present work aims to study surface composition profiles on buried marbles as well as their time evolution. Fifty samples from gravestones, buried for up to 80 years, were analysed by laser-induced photoluminescence and ...
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Article
Laser induced micro-photoluminescence of marble and application to authenticity testing of ancient objects
(2008)For the last 70 years, the authenticity of disputable marble objects has been tested by using a black light lamp. According to empirical observations "fresh marbles are purple while ancient ones are blue under the lamp". ...
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Article
The role of humic substances in the formation of marble patinas under soil burial conditions
(2009)The present work aim to study the effect of burial on the photoluminescnece (PL) spectra of white, crystalline marble surfaces and the physicochemical processes that take place at the marble-soil interface. The PL was ...