:Molybdovanadate reagent

The molybdovanadate reagent is a solution containing both the molybdate and vanadate ions. It is commonly used in the determination of phosphate ion content.{{cite book|author=Suzanne Nielsen|title=Food Analysis|url=https://books.google.com/books?id=8S1QLUsDOwgC&pg=PA196|date=30 April 2003|publisher=Springer Science & Business Media|isbn=978-0-306-47495-8|pages=196–7}}{{cite book|author=Palgrave|title=Fluid Fertilizer Science and Technology|url=https://books.google.com/books?id=Izme8QG8BkcC&pg=PA544|date=28 June 1991|publisher=CRC Press|isbn=978-0-8247-7703-6|page=544}} The reagent used contains ammonium molybdovanadate with the addition of a strong acid such as perchloric acid, sulfuric acid, or nitric acid.https://shop.chemsupply.com.au/documents/0504SDS.pdf It is used for purposes such as the analysis of wine, canned fruits and other fruit-based products such as jams and syrups.{{cite book|author1=Maynard Andrew Amerine|author2=Maynard Alexander Joslyn|title=Table Wines: The Technology of Their Production|url=https://books.google.com/books?id=FUKIfyhCsCYC&pg=PA760|date=January 1970|publisher=University of California Press|isbn=978-0-520-01657-6|pages=760–1}}{{cite book|author=Ike Jeon|title=Analyzing Food for Nutrition Labeling and Hazardous Contaminants|url=https://books.google.com/books?id=Ij5aKwIB8RQC&pg=PA186|date=16 December 1994|publisher=CRC Press|isbn=978-0-8247-9349-4|pages=186–7}}