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Table 2 Fastness properties of unmordanted and mordanted dyed wool samples

From: Dyeing studies and fastness properties of brown naphtoquinone colorant extracted from Juglans regia L on natural protein fiber using different metal salt mordants

Mordant Light fastness Wash fastness Rub fastness
c. c c. s c. w Dry Wet
1% walnut
 Unmordanted 5 4–5 5 5 4 4
 1% SnCl2 5 4–5 5 5 4–5 4
 5% FeSO4 5 4 5 5 4–5 4–5
 10% alum 5 4–5 5 5 4 4–5
5% walnut
 Unmordanted 5 4 5 5 4–5 4
 1% SnCl2 5 4 5 5 4–5 4
 5% FeSO4 5 4 5 5 4 4–5
 10% alum 5 5 3–4 5 5 3–4
10% walnut
 Unmordanted 5 3 5 5 4-5 3
 1% SnCl2 5 3–4 5 5 4 3
 5% FeSO4 5 4–5 5 5 4 3–4
 10% alum 5 4–5 5 5 3–4 3–4
15% walnut
 Unmordanted 5 4 5 5 4–5 3
 1% SnCl2 5 3–4 5 5 4 3–4
 5% FeSO4 5 4–5 5 5 4 3–4
 10% alum 5 4 5 5 3–4 3–4
20% walnut
 Unmordanted 5 4–5 5 5 4–5 4
 1% SnCl2 5 3 5 5 3–4 3–4
 5% FeSO4 5 4–5 5 5 4 4
 10% alum 5 4–5 5 5 3 3
  1. c.c. color change, c.s. color staining on cotton
  2. c.w. color staining on wool