Nitrite
NO2(-)
Dihydrogen phosphate
H2PO4(-)
Acetate
C2H3O2(-) or CH3COO(-)
Nitrate
NO3(-)
Cyanide
CN(-)
Hydroxide
OH(-)
Permanganate
MnO4(-)
Hypochlorite
ClO(-)
Chlorite
ClO2(-)
Chlorate
ClO3(-)
Perchlorate
ClO4(-)
Hydrogen phosphate
HPO4(-2)
Oxalate
C2O4(-2)
Sulfite
SO3(-2)
Sulfate
SO4(-2)
Carbonate
CO3(-2)
Chromate
CrO4(-2)
Dichromate
Cr2O7(-2)
Silicate
SiO3(-2)
Phosphite
PO3(-3)
Phosphate
PO4(-3)
Ammonium
NH4(+)
Bromate
BrO3(-)
Iodate
IO3(-)