Separation of Aluminum Phosphate from Iron Phosphate in Soils

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Science  04 May 1962:
Vol. 136, Issue 3514, pp. 386
DOI: 10.1126/science.136.3514.386


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.