Ti VCrMn

TiVCrMn

pH, H2SO4 (1 molL-1)H2O2 (3%)NaOH (40%6 molL-1, 2 molL-1, 0.1 molL-1)(NH4)2SO4 (1 molL-1)TiCl4 CuCl2 (0.2 molL-1) HCl (6 molL-1, 2 molL-1, 0.1 molL-1) K2SO4Cr2 (SO4 )324H2O (0.2 molL-1)NH3H2O (2 molL-1)K2Cr2O7 (0.1 molL-1) FeSO4 (0.1 molL-1) Na2SO3 (0.1 molL-1)AgNO3 (0.1 molL-1)BaCl2 (0.1 molL-1)Pb(NO3) 2 (0.1 molL-1) MnSO4 (0.1molL-1) NaClOKMnO4 (0.1 molL-1)

12(III) ZnCu2+1V2O5 NH4VO3 H+H2OOH- Cl-2 Zn34pH = 1, 2, 3, 14

1Cr(VI): H+OH-Pb2+2Cr(III)1Mn(OH)22Mn2+: NaClO (H+OH-)3MnO2: SO32- Cl-4KMnO4SO32- (H+H2OOH-)

1TiO2+VO2+2Ti2+ Ti4+TiO44-3K2Cr2O74KMnO4Cl2HClH2SO4