“…Metal ions were screened in a similar manner as described in our previous reports [9][10][11]. Nineteen metal ions, namely Li(I), Cs(I), Ca(II), Sr(II), Ba(II), Cr(III), Mn(II), Fe(III), Fe(II), Co(II), Ni(II), Cu(II), Ag(I), Zn(II), Cd(II), Al(III), Pb(II), Bi(III), and Ga(III), were dissolved in water to a final concentration of 2.0 mmol L À1 .…”