Table 2 CIE-L*a*b* values and fastness properties of alum-mordanted dyed wool samples
Wash fastness | Rub fastness | Light fastness | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dye % | Medium (pH) | L* | a* | b* | c* | h° | K/S | c.c. | Dry | Wet | |
15 | Neutral | 54.2 | 2.6 | 22.3 | 22.5 | 83.3 | 9.07 | 4 | 4 | 3 | 4/5 |
Acidic | 55.8 | 5.0 | 19.5 | 20.1 | 75.5 | 4.63 | 3 | 4/5 | 4 | 4/5 | |
Alkaline | 51.8 | 4.7 | 22.3 | 22.8 | 77.9 | 10.43 | 4 | 4 | 3 | 4/5 | |
8 | Neutral | 61.9 | 2.1 | 23.4 | 23.5 | 84.7 | 5.03 | 4 | 4 | 4 | 4/5 |
Acidic | 56.4 | 4.6 | 17.9 | 18.5 | 75.5 | 3.65 | 3/4 | 4/5 | 4/5 | 4/5 | |
Alkaline | 62.6 | 3.4 | 23.3 | 23.5 | 81.4 | 4.04 | 4 | 4/5 | 4/5 | 4/5 | |
3 | Neutral | 69.6 | 1.6 | 22.5 | 22.6 | 85.9 | 2.29 | 4 | 4/5 | 4/5 | 4/5 |
Acidic | 62.6 | 3.4 | 17.9 | 18.2 | 79.0 | 2.26 | 4 | 4/5 | 4/5 | 4/5 | |
Alkaline | 70.7 | 2.5 | 21.2 | 21.3 | 83.2 | 1.76 | 3/4 | 4/5 | 4/5 | 4/5 | |
1 | Neutral | 73.2 | 1.3 | 20.6 | 20.7 | 86.1 | 1.46 | 4 | 4/5 | 4/5 | 4/5 |
Acidic | 66.8 | 3.2 | 18.7 | 18.9 | 80.2 | 1.95 | 4 | 4/5 | 4/5 | 4/5 | |
Alkaline | 72.9 | 2.1 | 20.7 | 20.8 | 84.1 | 1.35 | 4 | 4/5 | 4/5 | 4/5 | |
0.5 | Neutral | 73.8 | 1.3 | 18.7 | 18.8 | 85.9 | 1.12 | 4 | 4/5 | 4/5 | 4/5 |
Acidic | 75.0 | 1.9 | 18.2 | 18.3 | 83.8 | 1.02 | 2 | 4/5 | 4/5 | 4/5 | |
Alkaline | 72.9 | 2.3 | 20.1 | 20.2 | 83.3 | 1.25 | 4 | 4/5 | 4/5 | 4/5 | |