NO3 -
Nitrate
NO2 -
Nitrite
CO3 2-
carbonate
NH4 +
ammonium
C2H3O2 - / CH3CO2 -
acetate
CN -
cyanide
OH -
hydroxide
SO4 2-
sulfate
SO3 2-
sulfite
PO4 3-
phosphate
PO3 3-
phosphite
ClO3 -
perchlorate
ClO4 -
chlorate
MnO4 -
permanganate
HCO3 -
hydrogen carbonate (bicarbonate)
Cr2O7 2-
dichromate