Skip to main content

Table 1 Color characteristics and color fastness properties of wool pre-mordanted with A. catechu and dyed with R. cordifolia

From: Eco-dyeing of wool with Rubia cordifolia root extract: Assessment of the effect of Acacia catechu as biomordant on color and fastness properties

Mordant (%) L* a* b* c* ho K/S Light fastness Wash fastness Rub fastness
c.c. c.s. c.w. Dry Wet
Nil 48.1 40.0 36.2 53.9 42.1 11.02 4/5 3/4 4/5 4/5 4/5 3/4
0.5 46.8 39.2 30.2 49.5 37.5 12.12 4/5 4 4/5 4/5 4/5 3/4
1.0 42.1 38.8 25.2 39.1 32.9 14.36 5 4/5 4/5 4/5 4/5 4
2.0 38.0 36.0 21.9 42.2 31.3 16.21 5 4/5 5 5 5 4
3.0 34.0 32.2 17.1 36.4 27.9 17.36 5 5 5 5 5 4/5
4.0 33.5 30.2 15.6 34.0 27.2 17.72 5 5 5 5 5 4/5
5.0 32.3 30.0 14.0 33.2 25.0 18.02 5 5 5 5 5 4/5
  1. c.c. color change, c.s. color staining on cotton, c.w. color staining on wool