Dyeing Studies with Eucalyptus, Quercetin, Rutin, and Tannin: A Research on Effect of Ferrous Sulfate Mordant

Table 2

Color value of silk fabric dyed with rutin and tannin dyes.

Type of dye	Concentration	Pad-batch					Pad-dry
		𝐾/𝑆	𝐿^∗	𝑎^∗	𝑏^∗	Dyed sample	K/S	𝐿^∗	𝑎^∗	𝑏^∗	Dyed sample
Rutin	1 g/L dye (without mordant)	0.71	87.5	0.05	0.1		0.65	87.4	0.8	−1.6
	5 g/L dye (without mordant)	0.83	86.1	−0.4	2.0		0.76	87.0	−0.1	1.1
	1 g/L dye + 5 g/L FeSO4	4.10	60.1	1.5	20.0		2.30	69.4	3.3	19.7
	5 g/L dye + 5 g/L FeSO4	4.73	56.4	1.2	19.2		3.00	63.1	2.3	19.0
Tannin	1 g/L dye (without mordant)	0.58	86.2	2.0	−3.4		0.56	86.7	2.4	−4.1
	5 g/L dye (without mordant)	0.78	84.7	0.9	−1.0		0.67	86.8	1.3	−1.0
	1 g/L dye + 5 g/L FeSO4	2.04	53.0	2.3	−1.8		1.77	54.5	2.1	−2.1
	5 g/L dye + 5 g/L FeSO4	2.96	40.1	2.9	−4.4		2.81	41.6	4.1	−6.4