Notes

The Names of Some Common Alums…

The Names of Some Common Alums:
(i) Potash alum K2SO4·Al2(SO4)3·24H2O
(ii) Sodium alum Na2SO4·Al2(SO4)3·24H2O
(iii) Ammonium alum (NH4)2SO4·Al2(SO4)3·24H2O
(iv) Ferric alum (NH4)2SO4·Fe2(SO4)3·24H2O
(v) chrome alum K2SO4·Cr2(SO4)3·24H2O.