Journal of Textiles

Research Article

Zirconium Oxychloride as a Novel Mordant for Natural Dyeing of Wool Yarns

Table 7

Color coordinates of zirconium treated madder dyed wool with filtered and unfiltered solution dye.
Samplea*b*C*hL*
ZrOCl2-formic acida29.80 (1.2)15.64 (1.0)33.66 (1.1)27.69 (1.8)24.68 (1.0)20.8
ZrOCl2-formic acidb28.22 (0.8)17.98 (1.0)33.46 (0.4)32.51 (0.5)45.29 (0.7)
ZrOCl2-hydrochloric acidc26.39 (0.7)12.02 (0.4)29.00 (1.5)24.48 (0.9)21.00 (0.7)24
ZrOCl2-hydrochloric acidd27.69 (0.4)16.56 (0.1)32.27 (0.8)30.88 (0.8)44.56 (0.4)
Wool treated with 9.74% ZrOCl2, 9.6% citric acid, and 6.3% formic acid at 95°C and dyed with unfiltered madder dye solution.
Wool treated with 9.74% ZrOCl2, 9.6% citric acid, and 6.3% formic acid at 95°C and dyed with filtered madder dye solution.
Wool treated with 8.96% ZrOCl2, 9.85% citric acid, and 9.01% hydrochloric acid at 92°C and dyed with unfiltered madder dye solution.
Wool treated with 8.96% ZrOCl2, 9.85% citric acid, and 9.01% hydrochloric acid at 92°C and dyed with filtered madder dye solution.