Inorganic Compounds

The program provides a large number of inorganic compounds to be added to the aqueous solution via the reaction tool (pH calculation):


H2CO3 carbonic acid
H2CrO4 chromic acid
H2SO4 sulfuric acid
H3AsO3 arsenious acid
H3AsO4 arsenic acid
H3BO3 boric acid
H3PO4 orthophosphoric acid
H4SiO4 silicic acid
HBr hydrobromic acid
HCl hydrochloric acid
HF hydrofluoric acid
HI hydroiodic acid
HNO2 nitrous acid
HNO3 nitric acid

The corresponding acidity constants are listed here; typical pH values of acids are presented here.


Ba(OH)2 barium hydroxide
Ca(OH)2 calcium hydroxide (lime, CaO:H2O)
Cr(OH)3 chromium(III)hydroxide
Cu(OH)2 copper(II) hydroxide
KOH potassium hydroxide (caustic potash)
LiOH lithium hydroxide
NaOH sodium hydroxide
NH4OH ammonium hydroxide (NH3:H2O)
Ni(OH)2 nickel(II) hydroxide
Pb(OH)2 lead(II) hydroxide
Sr(OH)2 strontium hydroxide
Zn(OH)2 zinc hydroxide

Salts and other inorganic Compounds

Al(OH)3 aluminum hydroxide
Al2(SO4)3 aluminum sulfate
Al2O3 aluminum oxide
Al2O3(CaO)3 tri-calcium aluminate
AlCl3 aluminum chloride
AlF3 aluminum fluoride
AsI3 arsenic(III) iodide (arsenous iodide)
Ba(NO3)2 barium nitrate
BaBr2 barium bromide
BaCl2 barium chloride
BaCO3 barium carbonate
BaS barium sulfide
BaSO4 barium sulfate
Ca(H2PO4)2 calcium dihydrogen phosphate
Ca(HCO3)2 calcium hydrogen carbonate
Ca(NO3)2 calcium nitrate
Ca3(PO4)2 calcium phosphate
CaCl2 calcium chloride
CaCO3 calcium carbonate (calcite)
CaCO3MgO half-burnt dolomite
CaHPO4 calcium hydrogen phosphate
CaMg(CO3)2 dolomite (mineral)
CaO burnt lime
CaOAl2O3 calcium aluminate
CaOCl2 chlorinated lime
CaOMgO burnt dolomite
CaSO4 calcium sulfate
CH2O “1/6 glucose”
CH4 methane
CO2 carbon dioxide
CoSO4 cobalt(II) sulfate
CrOHSO4 chromium(III)hydroxide sulfate
Cu(NO3)2 copper(II) nitrate (cupric nitrate)
Cu3(PO4)2 copper(II) phosphate
CuBr2 copper(II) bromide (cupric bromide)
CuCl2 copper(II) chloride (cupric chloride)
CuCO3 copper(II) carbonate (cupric carbonate)
CuF2 copper(II) fluoride (cupric fluoride)
CuI copper(I) iodide
CuSO4 copper(II) sulfate (cupric sulfate)
Fe(HS)2 iron(II) hydrogen sulfide
Fe(OH)2 iron(II) hydroxide (ferrous hydroxide)
Fe(OH)3 iron(III) hydroxide (ferric hydroxide)
Fe2(SO4)3 iron(III) sulfate
FeCl2 iron(II) chloride (ferrous chloride)
FeCl3 iron(III) chloride
FeF3 iron(III) fluoride
FeHPO4 iron(III) hydrogen phosphate
FeNH4(SO4)2:2H2O ferric ammonium sulfate (FAS, iron alaun)
FeSO4 iron(II) sulfate
H2 hydrogen
H2O pure water
H2O2 hydrogen peroxide
H2S hydrogen sulfide
K2CO3 potassium carbonate
K2SO4 potassium sulfate
KAl(SO4)2:12H2O potassium aluminum sulfate (potassium alum)
KBr potassium bromide
KCl potassium chloride
KHCO3 potassium hydrogen carbonate
KMnO4 potassium permanganate
KNO3 potassium nitrate
Mg(NO3)2 magnesium nitrate
Mg(OH)2 magnesium hydroxide (MgO:H2O)
MgCl2 magnesium chloride
MgCO3 magnesium carbonate
MgHPO4 magnesium hydrogen phosphate
MgO magnesium oxide
MgSO4 magnesium sulfate
Mn(NO3)2 manganese(II) nitrate
MnCl2 manganese(II) chloride
MnCO3 manganese(II) carbonate
MnSO4 manganese(II) sulfate
Na2B4O7:10H2O sodium borate (borax)
Na2CO3 sodium carbonate (soda ash)
Na2HPO4 disodium hydrogen phosphate
Na2S sodium sulfide
Na2SiO3 sodium metasilicate
Na2SO4 sodium sulfate (Glauber’s salt)
Na3PO4 trisodium phosphate
NaAl(OH)4 sodium aluminate
NaAlO2 sodium aluminate
NaCl sodium chloride
NaF sodium fluorite
NaH2PO4 sodium dihydrogen phosphate
NaHCO3 sodium hydrogen carbonate
NaHS sodium hydrogen sulfide
NaHSO4 sodium bisulfate
NaNO2 sodium nitrite
NaNO3 sodium nitrate
NH3 ammonia
NH4(CO3)0.5 1/2 ammonium carbonate 1
NH4(SO4)0.5 1/2 ammonium sulfate 1
NH4Br ammonium bromide
NH4Cl ammonium chloride (salmiac)
NH4NO3 ammonium nitrate
NiBr2 nickel(II) bromide
NiCl2 nickel(II) chloride
NiCO3 nickel(II) carbonate
NiSO4 nickel(II) sulfate
O2 oxygen
Pb(BrO3)2 lead(II) bromate
Pb(NO3)2 lead(II) nitrate
PbBr2 lead(II) bromide
PbCl2 lead(II) chloride
PbCO3 lead(II) carbonate
PbF2 lead(II) fluoride
PbI2 lead(II) iodide
PbSO4 lead(II) sulfate
PO4(NH4)3 ammonium phosphate 1
Sr(NO3)2 strontium nitrate
SrCl2 strontium chloride
SrCO3 strontium carbonate
SrSO4 strontium sulfate
U(OH)4 uranium (IV) hydroxide
U(SO4)2 uranium (IV) sulfate
UO2Cl2 uranyl chloride
UO2CO3 uranyl carbonate
UO2SO4 uranium oxide sulfate (uranyl sulfate)
ZnBr2 zinc bromide
ZnCl2 zinc chloride
ZnCO3 zinc carbonate
ZnI2 zinc iodide
ZnSO4 zinc sulfate

In addition to this standard repertoire of inorganic compounds, aqion PRO provides more than 60 organic acids.


  1. Usually, the formulas of ammonium carbonate, ammonium sulfate, and ammonium phosphate are (NH4)2CO3, (NH4)2SO4, and (NH4)3PO4. However, to avoid brackets just at the beginning of a formula they are abbreviated here as NH4(CO3)0.5, NH4(SO4)0.5, and PO4(NH4)3. 2 3

[last modified: 2014-03-19]