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

Table 1

Color value of silk fabric dyed with eucalyptus leaf extract and quercetin dyes.

Type of dye	Concentration	Pad-batch					Pad-dry
		𝐾/𝑆	𝐿^∗	𝑎^∗	𝑏^∗	Dyed sample	𝐾/𝑆	𝐿^∗	𝑎^∗	𝑏^∗	Dyed sample
Eucalyptus	1 g/L dye (without; mordant)	0.59	86.5	2.0	−3.6		0.58	86.4	2.1	−3.8
	5 g/L dye (without; mordant)	0.71	85.8	1.4	−1.4		0.66	86.2	1.5	−1.2
	1 g/L dye + 5 g/L FeSO4	1.54	56.9	2.1	−1.8		1.48	60.9	2.3	−1.6
	5 g/L dye + 5 g/L FeSO4	1.75	69.1	2.4	−1.2		1.63	58.2	1.9	−1.1
Quercetin	1 g/L dye (without; mordant)	1.17	85.4	−2.2	6.0		1.09	86.3	−1.6	5.1
	5 g/L dye (without; mordant)	1.58	86.3	−3.4	10.2		1.38	87.0	−3.0	8.2
	1 g/L dye + 5 g/L FeSO4	4.55	46.9	3.5	20.1		4.30	51.9	1.7	15.2
	5 g/L dye + 5 g/L FeSO4	8.03	36.7	1.4	14.9		7.61	39.8	2.9	16.8