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(Ethyoenediamine)   
H2NCH2CH2NH2         Ag+         1,2         4.70,7.70
                Cd2+(20¡æ)         1,2,3         5.47,10.09,12.09
                Co2+         1,2,3         5.91,10.64,13.94
                Co3+         1,2,3         18.7,34.9,48.69
                Cr2+         1,2         5.15,9.19
                Cu+         2         10.8
                Cu2+         1,2,3         10.67,20.0,21.0
                Fe2+         1,2,3         4.34,7.65,9.70
                Hg2+         1,2         14.3,23.3
                Mg2+         1         0.37
                Mn2+         1,2,3         2.73,4.79,5.67
                Ni2+         1,2,3         7.52,13.84,18.33
                Pd2+         2         26.90
                V2+         1,2         4.6,7.5
                Zn2+         1,2,3         5.77,10.83,14.11
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