Acetate
CH3COO- or C2H3O2 -
Ammonium
NH4+
Carbonate
CO32-
Chlorate
ClO3-
Chlorite
ClO2-
Chromate
CrO42-
Cyanide
CN-
Dichromate
Cr2O72-
Dihydrogen phosphate
H2PO4-
Hydrogen carbonate (bicarbonate)
HCO3-
Hydrogen phosphate
HPO42-
Hydrogen sulfate or bisulfate
HSO4-
Hydrogen sulfite or bisulfite
HSO3-
Hydroxide
OH-
Hypochlorite
ClO-
Nitrate
NO3-
Nitrite
NO2-
Oxalate
C2O42-
Permanganate
MnO4-
Perchlorate
ClO4-
Peroxide
O22-
Phosphate
PO43-
Sulfate
SO42-
Sulfite
SO32-
Thiocyanate
SCN-