Table 3 CIE-L*a*b* values and fastness properties of iron-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 | 47.3 | 4.1 | 16.2 | 16.7 | 75.6 | 7.32 | 4 | 4/5 | 4/5 | 5 |
Acidic | 47.4 | 3.8 | 16.3 | 16.7 | 76.8 | 7.28 | 4 | 4/5 | 4/5 | 5 | |
Alkaline | 38.2 | 6.2 | 17.7 | 18.8 | 70.5 | 21.15 | 3/4 | 4/5 | 4 | 5 | |
8 | Neutral | 51.9 | 4.5 | 17.8 | 18.4 | 75.6 | 5.78 | 3/4 | 4/5 | 4/5 | 5 |
Acidic | 52.9 | 4.9 | 18.8 | 19.4 | 75.3 | 5.48 | 3 | 4/5 | 4/5 | 5 | |
Alkaline | 42.9 | 6.1 | 19.2 | 20.2 | 72.3 | 15.57 | 4/5 | 4/5 | 4/5 | 5 | |
3 | Neutral | 54.9 | 3.6 | 16.1 | 16.5 | 77.3 | 3.73 | 4 | 4/5 | 4/5 | 5 |
Acidic | 56.3 | 3.3 | 16.1 | 16.5 | 78.3 | 3.17 | 4 | 4/5 | 4/5 | 5 | |
Alkaline | 47.6 | 5.2 | 19.6 | 20.3 | 75.0 | 9.57 | 4 | 4/5 | 4/5 | 5 | |
1 | Neutral | 55.9 | 2.0 | 11.5 | 11.7 | 79.9 | 2.15 | 4 | 4/5 | 4/5 | 5 |
Acidic | 67.3 | 3.3 | 16.8 | 17.2 | 78.8 | 1.42 | 3/4 | 4/5 | 4/5 | 5 | |
Alkaline | 55.1 | 3.6 | 14.9 | 15.3 | 76.3 | 2.67 | 3/4 | 4/5 | 4/5 | 5 | |
0.5 | Neutral | 57.5 | 1.2 | 10.3 | 10.4 | 83.2 | 1.72 | 3/4 | 4/5 | 4/5 | 5 |
Acidic | 67.5 | 2.4 | 15.7 | 15.9 | 81.3 | 1.32 | 2 | 4/5 | 4/5 | 5 | |
Alkaline | 56.3 | 2.9 | 12.6 | 13.0 | 76.7 | 2.12 | 4 | 4/5 | 4/5 | 5 | |