NH4 +
Ammonium
PO4 3-
Phosphate
PO3 3-
Phosphite
CO3 2-
Carbonate
CrO4 2-
Chromate
Cr2O7 2-
Dichromate
O2 2-
Peroxide
SO4 2-
Sulfate
SO3 2-
Sulfite
S2O3 2-
Thiosulfate
CH3COO- or C2H3O2-
Acetate
ClO3 -
Chlorate
CLO2 -
Chlorite
CN -
Cyanide
HCO3 -
Bicarbonate
OH -
Hydroxide
NO3 -
Nitrate
NO2 -
Nitrite
CLO4 -
Perchlorate
MnO4 -
Permanganate