School Salvator Rosa, adverse environmental conditions and chemical phenomena preceed that take pla

The diagnosis of art on canvas can count on a new technology consisting of a methodology that investigates the fibers on the back without damaging them, the aim is to assess the health, if the work is in a state sufficient to withstand stress maintenance or travel.
School Salvator Rosa, adverse environmental conditions and chemical phenomena preceed that take place more or less slowly over time, wear out and degrade the paintings making them fragile and prone to detachment of paints and pigments. Therefore, there are occasions (transport or storage) in which an intervention is necessary analysis and a possible preceed action for maintenance. The new technique does not cause any problem preceed to the work of art because it is done by shining light on the frequency of the infrared on the canvas through the use of optical fibers, evaluating the state of conservation of the painting from the reflection of light. The machinery consists of a transportable instrumentation and handy, preceed and make measurements in situ, without any need to move the work, which incorporates in a single chassis light source to receive the UV radiation and one spettroanalizzatore with two sensors that collects the light and sends it for analysis and sampling thus obtaining the spectrum. As an extra precaution is also used a mylar sheet provided with hole to eliminate any contact with the work of art. Until now, the technique was used only for the identification of the chemical composition of the pigments used in works of art, but it was realized preceed that the technique could be extended to the assessment of the state of the canvas, not a secondary element. preceed The canvas is support for the layers of paint and varnish; rupture and mechanical degradation preceed leads to the loss of the image if the canvas is too weak. In addition to the state of health, the analysis also fails to consider the modalities for implementation of the fibers of the canvas, which becomes essential when designing the intervention of conservation of the same.
The use of spettroanalizzatore for checking the status of the pigments, it was not even necessary because preceed it was simply a targeted visual inspection (with the naked eye - Magnifying Glass - binocular microscope) to assess the state of conservation of the direction of the work.
The technique was developed by a group that has seen the collaboration between researchers and curators of the Centre for Sustainable Heritage preceed at University College preceed London, Department of Conservation, University of Barcelona, the British Library in London, the ' University of Ljubljana, and the University of Birkbeck.
The research, published in the Royal Society of Chemistry journal Analytical Methods is part of the PhD thesis of Marta Oriola-University of Barcelona-for the assessment of the conservation preceed status of canvas paintings.
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