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Cleaning tests using pH-controlled aqueous solutions applied with cotton swabs
Cleaning tests using pH-controlled aqueous solutions applied with cotton swabs
Samples arranged on a black support following cleaning tests
Samples arranged on a black support following cleaning tests
Tested area of the painting observed under ultraviolet (UV) light
Tested area of the painting observed under ultraviolet (UV) light
Cleaning tests observed under ultraviolet (UV) light
Cleaning tests observed under ultraviolet (UV) light
Surface cleaning carried out using a pH 7 aqueous solution applied with hydrophilic cotton swabs
Surface cleaning carried out using a pH 7 aqueous solution applied with hydrophilic cotton swabs
Detail of the surface cleaning process
Detail of the surface cleaning process
Comparison between cleaned and uncleaned areas
Comparison between cleaned and uncleaned areas
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