Note: Light ageing with simultaneous colorimetry via fibre optics reflection spectrometry |
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Authors: | Łojewski Tomasz Thomas Jacob Gołąb Roman Kawałko Jakub Łojewska Joanna |
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Affiliation: | Department of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland. |
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Abstract: | In this article, the design and characteristics of a micro-fadeometer is presented. The technique allows for a non-(micro-) destructive evaluation of the light fastness of colorants on various materials and can be used to directly assess valuable materials, such as heritage objects, and develop safer display strategies to promote their preservation. The presented instrument has several benefits over standard light ageing methods--low operating cost, non-damaging, real time measurement of induced changes for kinetics studies, and automated high throughput screening of materials. A selection of data is presented to demonstrate the flexibility of the presented instrument and illustrate how it can be used to evaluate museum lighting and oxygen-free display of heritage objects. |
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