The Colour Characteristics of Wool Dyed with Plants of Latvia
Author(s) -
Aina Bernava
Publication year - 2014
Publication title -
materials science textile and clothing technology
Language(s) - English
Resource type - Journals
eISSN - 2255-8888
pISSN - 1691-3132
DOI - 10.7250/mstct.2013.001
Subject(s) - dyeing , mordant , wool , natural dye , pulp and paper industry , potassium hydroxide , potassium dichromate , chemistry , acetic acid , nuclear chemistry , materials science , organic chemistry , composite material , engineering
Dyeing with natural dyes from plant and other organic sources is known since the prehistoric times. In Latvia, natural dyes have been used for the colouring of natural fibres, such as flax, wool, cotton, silk and leather. Plants for the dyeing were collected in autumn in Latvia, used fresh or dried. Mordant ferrous sulphate, copper sulphate pentahydrate, potassium hydroxide, potassium dichromate and acetic acid were used before, during and after dyeing. The quality of dyeing was evaluated using the RGB system.
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