Molybdovanadate reagent
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The molybdovanadate reagent is a solution containing both the molybdate and vanadate ions. It is commonly used in the determination of phosphate ion content.[1][2] The reagent used contains ammonium molybdovanadate with the addition of a strong acid such as perchloric acid, sulfuric acid, or nitric acid.[3] It is used for purposes such as the analysis of wine, canned fruits and other fruit-based products such as jams and syrups.[4][5]