Abstract
Extraction of anthocyanins in red cabbage leaves was taken up using hydrochloric acid solution. Raw silk fibers were degummed with traditional Marseille soap. Then the dyeing of degummed silk fibers with anthocyanins extracted from red cabbage was investigated. It was concluded that, K/S of silk increased in the order of the dyeing with Co(II) > Zn(II) > Ni(II) > Fe(II) > Al(III). The maximum adsorption wavelength of dyed samples at different pH values shifted to different values and the color strength values also changed. In addition, the higher dye concentration, the higher color strength values. Deep shade (K/S value = 6.655) was achieved at 40°C and pH 2 using zinc chloride.
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