NO2^-
nitrite ion
NH4^+
ammonium ion
HCO3^-
bicarbonate (Hydrogen Carbonate)
ClO2^-
chlorite ion
NO3^-
nitrate ion
PO3^3-
phosphite ion
SO3^2-
sulfite ion
CO3^2-
carbonate ion
CH3COO^-
acetate ion
HSO4^-
Bisulfate (Hydrogen Sulfate)
ClO3^-
chlorate ion
SO4^2-
sulfate ion
OH^-
hydroxide ion
PO4^3-
phosphate ion