Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

 Previous item  Up One Level Next item

archil

A dye obtained from certain lichens of the genera Roccella and Lecanora by means of fermentation. Its hue varies from moderate red to dark purplish-red, depending on whether the dye bath is acid or alkaline. It was used in the past in the manufacture of purple marbling color. It has only moderate COLOR FASTNESS . (97 , 152 )




[Search all CoOL documents]