Journal
JOURNAL OF RAMAN SPECTROSCOPY
Volume 41, Issue 10, Pages 1254-1260Publisher
WILEY
DOI: 10.1002/jrs.2585
Keywords
micro-Raman mapping; polished cross section; depth profile; ammonium oxalate; calcium oxalate
Categories
Ask authors/readers for more resources
Nowadays, in order to preserve the surfaces of works of art, several organic and inorganic substances are used. To evaluate the penetration depth and the distribution of these substances inside the materials, it is essential to define the effectiveness of a conservative treatment. Owing to the ambiguous results obtained with the current analytical techniques, the achievement of this aim is critical. This study shows how micro-Raman mapping on polished cross section is an effective tool capable of investigating the inner portions of the materials. A set of painted plasters has been treated with ammonium oxalate solutions, an inorganic substance widely used for conservation works of carbonatic materials. The micro-Raman mapping of the lines of the newly formed calcium oxalate allowed correlation of the penetration depth and the distribution of the product inside the specimens with different conditions of treatment. Moreover, a good agreement between micro-Raman spectroscopy and microscopic techniques has been obtained. Copyright (C) 2010 John Wiley & Sons, Ltd.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available