Separation into Ion Groups
Ion Group 1: Insoluble chlorides
Ag+, Hg22+, Pb2+
Ion Group 2: Acid-insoluble sulfides
Cu2+, Cd2+, Hg2+, As3+, Sb3+, Bi3+, Sn2+, Sn4+, Pb2+
Ion Group 3: Base-insoluble sulfides and hydroxides
Zn2+, Mn2+, Ni2+, Fe2+, Co2+ as sulfides,
and Al3+, Cr3+ as hydroxides
Ion Group 4: Insoluble phosphates
Mg2+, Ca2+, Ba2+
Ion Group 5: Alkali metal and ammonium ions
Na+, K+, NH4+
| Previous slide | Next slide | Back to first slide | View graphic version |