الفهرس 
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Abstract
The reflection characteristics of eight dyeings, with five different concentrations, on textile substrates were measured spectrophotometrically at forty wavelengths in the visible region of spectrum. The values of the Kubelka - Munk function, for each dyestuff, were calculated. Three linear relations between the concentration and the absorption coefficients of each dyestuff in the red, green, and blue parts of spectrum were deduced.