title: Separation of Aluminum Phosphate from Iron Phosphate in Soils.
abstract: Aluminum phosphate in the soil can be more discretely separated from iron phosphate by extracting 1 gram of soil with 50 milliliters of neutral 0.5N ammonium fluoride solution for 1 hour than by extracting with alkaline solution for a longer period of time.
authors.forename: S C
authors.initials: SC
authors.lastname: Chang
authors.forename: F H
authors.initials: FH
authors.lastname: Liaw