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A modified procedure for the fractionation and determination of soil phosphorus
Author(s) -
Bertheux M. H.
Publication year - 1958
Publication title -
journal of the science of food and agriculture
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.782
H-Index - 142
eISSN - 1097-0010
pISSN - 0022-5142
DOI - 10.1002/jsfa.2740090310
Subject(s) - fractionation , chemistry , phosphorus , organic matter , acetic acid , perchloric acid , soil water , phosphate , sodium hydroxide , chromatography , environmental chemistry , digestion (alchemy) , inorganic chemistry , organic chemistry , environmental science , soil science
The Williams phosphorus fractionation procedure for soils has been modified to make it suitable for the rapid routine analysis of soils of low phosphate status. The total phosphorus is determined by digestion with perchloric acid, followed by application of the vanadate colorimetric method. The fractions extracted by acetic acid and sodium hydroxide are treated by wet digestion methods to remove organic matter and 8‐hydroxyquinoline.