Experimental Investigation on the Effect of Three Elemental Nanoparticles on the Performance Characteristics of Ethanol-Diesel Emulsion

Table 8

Properties of tween 80 and span 80.

Emulsifier	Appearance	Molecular weight (.mol^−1)	HLB (unitless)
Tween 80	Amber sticky liquid	1309.63	15
Span 80	Brown liquid	428.59	4.3