Table 2.

Physical properties effect of different aromatic and aliphatic diluents on extraction of selenium(IV) with Aliquat 336 from hydrochloric acid solution

Diluent	ε	µ	%E
Benzene	2.27	0	81.23
Toluene	2.38	0.375	78.16
O-xylene	2.56	0.62	76.06
Cyclohexane	2.1	0	71.96
Chloroform	4.81	1.15	82.65
Kerosene	2.002	0	76.26
MIBK	13.11	2.8	99.59

%E extraction percentage of selenium(IV); µ dipole moment; ε dielectric constant