As Light Meets Matter: Art Under Scrutiny
Edgar Collins Find painting
possibly Cezanne
examined by Spectrotech
X-ray Fluorescence (XRF)
no pigment anachronisms
colors and composition matched
Infrared Spectroscopy (IR)
detect anomalies beneath the paint
presence of other paints
types of binders usedpic
Luminescence images
Flourescence matched Cézanne
the UV data argue against Dr. Pruschy
fluorescence from the surface of the painting using UV excitation from a mercury lamp
UV Spectrum
light showed a substantial absorption from a polyene
painting shows an absorbance of 0.6