Mass ratio Na+/Hg2+ Extraction yield (%)
pHi=5.81
Speciation of Hg (II) (%)
HgCl2aq HgClOHaq Hg(OH)2aq Hg(CH3COO)3- Hg(CH3COO)42-
0 93.70 65.15 31.31 3.26 0 0
0.1 100 64.79 30.77 3.17 0.27 0.71
0.2 100 53.57 13.09 0.69 2.75 29.46
0.5 100 26.72 3.72 0.11 3.03 66.04
1 100 2.51 0.26 0.01 1.80 95.36
2 98.73 0.04 0 0 0.59 99.37
10 89.70 0 0 0 0.26 99.74
Table 2: Nature and percentages of extracted species of Hg (II) with [MIm+][D2EHP-] at different concentration of CH3COONa.