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Barium phosphate, also known as barium orthophosphate, is an inorganic phosphate of barium with the molecular formula Ba₃(PO₄)₂. It is usually found as a white, odorless powder which is insoluble in water.

Synthesis

The general chemical reaction for the synthesis of barium phosphate powder, using the sol-gel process, is:

3 Ba(NO₃)₂ + 2 NH₄H₂PO₄

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