Asked by Morgan
What is the form in which phosphorus exists in plant food and what ion could you use to precipitate the phosphorus.
Answers
Answered by
DrBob222
Generally as phosphate. You can ppt PO4^3- from an ammoniacal solution with Mg^2+ as MgNH4PO4. This is then fired in a furnace to form Mg2P2O7, magnesium pyrohosphate. That is the final weighing form. This is a typical gravimetric analysis.
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