Quotation from: General Science

Written by: Bertha M. Clark


227. The Selection of Dyes. When silk and wool, cotton and linen,
are tested in various dye solutions, it is found that the former have,
in general, a great affinity for coloring matter and acquire a
permanent color, but that cotton and linen, on the other hand, have
little affinity for dyestuffs. The color acquired by vegetable fibers
is, therefore, usually faint.


There are, of course, many exceptions to the general statement that
animal fibers dye readily and vegetable fibers poorly, because certain
dyes fail utterly with woolen and silk material and yet are fairly
satisfactory when applied to cotton and linen fabrics. Then, too, a
dye which will color silk may not have any effect on wool in spite of
the fact that wool, like silk, is an animal fiber; and certain
dyestuffs to which cotton responds most beautifully are absolutely
without effect on linen.

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