Chemical reaction involved in phosphate tedt
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The organic compound is heated with an oxidizing agent (sodium peroxide, Na2O2 or a mixture of sodium carbonate and potassium nitrate).
Phosphorus is oxidized to phosphate.
The solution is boiled with HNO3 and then treated with ammonium molybdate.
A yellow precipitate shows the presence of phosphorus.
Na3PO4 + 3HNO3 → H3PO4 + 3NaNO3
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