| Tolerance limit, mg |
Foreign ion added |
| 25 |
Tartrate, Mg(II) |
| 15 |
Fe(III), Zn(II), Mo(VI), Se(IV), Ba(II), Ce(IV), oxalate, citrate, bromide |
| 10 |
Ni(II), Co(II), U(VI), Hg(II) |
| 5 |
Cu(II), Pb(II), Cr(VI), Cr(III), Bi(III), Te(IV), Cd(II), EDTA, nitrate |
| 2 |
Tl(I), Ca(II), Al(III), Cr(III), Cd(II) |
| 1 |
Ag(I), Os(VIII), Ru(III) |
| 0.5 |
Rh(III) a, Pd(II)a, Ir(III), Au(III) |
amasked with 20 mg tartrate
Pt(IV)=150 μg, Aq: Org=2.5: 1
pH=0.50, Ascorbic acid=0.01 M
Equilibrium time=3 min, n-octylaniline=0.1 M in toluene |
