percentages of extracted

Mass ratio Na⁺/Hg²⁺	Extraction yield (%) pH_i=5.81		Speciation of Hg (II) (%)
Mass ratio Na⁺/Hg²⁺	[MIm⁺][D2EHP^-]	[BIm⁺][D2EHP^-]	HgCl_2aq	HgClOH_aq	Hg(OH)_2aq	HgCl₃^-	HgCl₄^2-
0	93.70	65.47	65.15	31.31	3.26	0.24	0
0.1	25.97	46.14	83.51	15.03	0.59	0.85	0
0.2	54.56	46.14	91.85	4.04	0.04	3.99	0.08
0.5	62.92	48.98	89.88	2.05	0.01	7.74	0.32
1	65.50	53.09	83.38	0.98	0	14.36	1.28
2	71.76	33.68	65.20	0.33	0	27.68	6.78
10	75.00	13.58	40.31	0.1	0	37.38	22.2

Table 1: Nature and percentages of extracted species at different concentration of NaCl.