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Steve Price · December 14th, 2010, 02:35 PM

Hi Yaser

Using natural dyes is an art. The physical and chemical explanations of how and why the artisans get the results that they do are science. You don't have to know that fuchsine is a triphenylmethane dye to know that it fades when exposed to strong light. But you do have to know something about the interactions of such compounds with light to understand why it fades.

Regards

Steve Price

December 14th, 2010, 02:35 PM	#5
Steve Price Administrator Join Date: May 2008 Posts: 121	Hi Yaser Using natural dyes is an art. The physical and chemical explanations of how and why the artisans get the results that they do are science. You don't have to know that fuchsine is a triphenylmethane dye to know that it fades when exposed to strong light. But you do have to know something about the interactions of such compounds with light to understand why it fades. Regards Steve Price