Ficus sycomorus as a Sustainable Source of Leather Dyeing Material: An Ecofriendly Approach

Table 4

Conditions optimized for mordant-free dyeing method.

Test#	Parameters/variables		K/Svalues at λ = 492 nm
	Temperature (°C)	Time (minute)
1	40	45	2.229
2	40	55	2.873
3	40	65	3.492
4	50	45	3.297
5	50	55	3.902
6	50	65	4.117
7	60	45	4.317
8	60	55	4.585
9	60	65	4.009