Interesting, but
it says a source of heat is needed and suggests a UV lamp. A better source of heat would be an IR lamp. I'd guess the short wavelength and high energy of the UV facilitates the chemical reactions to remove the colouring. UV destroys certain pigments very quickly just on its own.
( , Sat 24 Feb 2018, 10:04, Share, Reply)
it says a source of heat is needed and suggests a UV lamp. A better source of heat would be an IR lamp. I'd guess the short wavelength and high energy of the UV facilitates the chemical reactions to remove the colouring. UV destroys certain pigments very quickly just on its own.
( , Sat 24 Feb 2018, 10:04, Share, Reply)