NO31-
nitrate
NO21-
nitrite
PO43-
phosphate
PO33-
phosphite
CrO42-
chromate
Cr2O72-
dichromate
NH41+
ammonium
CN1-
cyanide
O22-
peroxide
MnO41-
permanganate
C2O42-
oxalate
S2O32-
thiosulfate
SO42-
sulfate
SO32-
sulfite
ClO41-
perchlorate
ClO31-
chlorate
ClO21-
chlorite
ClO1- or OCl-
hypochlorite
OH1-
hydroxide
CO32-
carbonate
SCN1- or NCS1-
thiocyanate
Hg22+
mercury (I)
CH3COO1- or C2H3O21-
acetate