Separation and Enrichment of Omega 3, 6, and 9 Fatty Acids from the By-Products of Vietnamese Basa Fish Processing using Deep Eutectic Solvent

Table 2

Physical index of DES solution at 30°C.

No.	Index	Choline chloride : urea ratio
		1 : 1 ratio	2 : 1 ratio
1	pH	6.65	5.92
2	Density (g/ml)	1.197	1.167
3	Viscosity (cP)	61.5	57.3
4	Electronic conductivity (mS)	1.64	2.69
5	Water concentration (%)	0.65	0.81