If "kallium" in the questions was intended to be "kalium", the Latin name for potassium, the formula of the most common type is is K3PO4, which is more exactly called potassium orthophosphate KPO2 is the formula for another compound that can be called "kalium" phosphate, more exactly metaphosphate. Either formula can also have water of hydration.
The chemical formula for rubidium phosphate is Rb3PO4.
The chemical formula for disodium phosphate is HNa2PO4
The formula for lithium hydrogen phosphate is Li2HPO4.
The chemical formula of strontium phosphate is Sr3(PO)2.
The chemical formula of silver phosphate is Ag3PO4.
The Chemical Formula for Phosphate is PO43-.
The Chemical Formula of diammonium hydrogen phosphate is (NH4)2.HPO4
The chemical formula for scandium (III) and phosphate ion is ScPO4.
Hg3PO4 is the chemical formula for mercurous phosphate.
The chemical formula of ferrous phosphate is Fe3(PO4)2.
The chemical formula for dihydrogen phosphate ion is H2PO4-
Cu3PO4 Copper (I) Phosphate.