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MICRO-SPECTROSCOPY: A POWERFUL TOOL TO UNDERSTAND DETERIORATION

Keywords: Infra-red , Raman , glass , iron , dust

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Abstract:

Identification of accretions on object surfaces is vital tounderstand their deterioration processes. The presenceof certain species can give a strong indication of thecause of that deterioration. T he increasing availabilityof high spatial resolution vibrational spectroscopyallows analysis of the ver y small scale accretions foundon certain object types. This paper discusses the utilityand advantages of such an approach through a series ofcase studies. In each instance such techniques havebeen instrumental in elucidating the deterioration mechanismsand slowing the process down.

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