dwhere the curves reach up to this line there is total absorp-tion, or blackness in the spectrum. The spectrum No. 2 is the same as No. 1 above it, butshows the shaded portion of the spectrum where absorptiontakes place. This shows the shade of russet composed oforange G and aniline blue to be… … Pig. 40.—Representation of absorption spectrum of an olive made with orangeand wool green, the wool green being in excess. The absorption curvein the red is due to the wool green; that extending from the green toviolet being the orange. (Shaded portions represent absorption.) will now be readily…
Color in the textile industries · Dyes and dyeing
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