Catégories : Tous - painting - spectrum - fluorescence - radiation

par Noura Ibrahim Il y a 13 années

247

as light meets matter under scrutiny

Analyzing a painting's authenticity involves examining various scientific and visual elements. Techniques such as X-rays and infrared radiation help reveal underlying layers and colors, while ultraviolet spectroscopy provides insights based on absorption rates and fluorescence.

 as light meets matter under scrutiny

"as light meets matter under scrutiny

Evidence that painting is fake

polyene UV absorbance of 0.6
underdrawing

Evidence that painting might be authentic

characteristics of his constructivist phase
many of the same visual elements
absence of elements not available at that period

electromagnetic spectrum

IR radiation
visible radiation
reveals colors
ultraviolet
can't see above 50 microns
spectroscopies

fluorescence

analyze fluorescence of a sample

absorption

reveals age of material based on absorption rate

X-rays
can see through larger layers