Table 1 CIE-L*a*b* values and fastness properties of un-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 | 47.6 | 4.8 | 17.8 | 18.4 | 74.8 | 8.33 | 3 | 4/5 | 4/5 | 5 |
Acidic | 49.9 | 5.5 | 18.6 | 19.4 | 73.5 | 6.95 | 4 | 4/5 | 3/4 | 5 | |
Alkaline | 43.4 | 6.4 | 19.4 | 20.4 | 71.9 | 15.27 | 5 | 4/5 | 4/5 | 5 | |
8 | Neutral | 48.1 | 4.1 | 16.1 | 16.6 | 75.8 | 5.23 | 5 | 4/5 | 4/5 | 5 |
Acidic | 51.4 | 5.9 | 18.6 | 19.5 | 72.4 | 5.71 | 4 | 4/5 | 4/5 | 5 | |
Alkaline | 49.5 | 5.6 | 19.6 | 20.4 | 73.9 | 7.42 | 2 | 4/5 | 4/5 | 5 | |
3 | Neutral | 55.4 | 4.4 | 17.9 | 18.4 | 76.3 | 3.56 | 4 | 4/5 | 4/5 | 5 |
Acidic | 57.0 | 4.4 | 18.6 | 19.2 | 76.6 | 3.80 | 4 | 4/5 | 4/5 | 5 | |
Alkaline | 56.4 | 4.3 | 18.5 | 19.0 | 76.8 | 3.39 | 3 | 4/5 | 4/5 | 5 | |
1 | Neutral | 57.1 | 3.9 | 15.9 | 16.4 | 76.2 | 2.48 | 4/5 | 4/5 | 4/5 | 5 |
Acidic | 62.0 | 4.7 | 19.7 | 20.2 | 76.6 | 2.56 | 3 | 4/5 | 4/5 | 5 | |
Alkaline | 59.7 | 3.6 | 16.5 | 16.9 | 77.6 | 2.24 | 3/4 | 4/5 | 4/5 | 5 | |
0.5 | Neutral | 60.8 | 2.8 | 15.3 | 15.6 | 79.6 | 1.94 | 4 | 4/5 | 4/5 | 5 |
Acidic | 65.9 | 4.2 | 19.9 | 20.3 | 78.1 | 1.99 | 3/4 | 4/5 | 4/5 | 5 | |
Alkaline | 63.4 | 2.8 | 15.4 | 15.7 | 79.6 | 1.59 | 4/5 | 4/5 | 4/5 | 5 | |