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The technique of 31P-NMR spectroscopy has done more to advance the knowledge of organic P forms in environmental samples than any other method. Early 31P-NMR work limited identification to peaks that were clearly separated, such as orthophosphate and pyrophosphate, grouping the remaining peaks into broad categories such as orthophosphate monoesters and orthophosphate diesters. Advances in 31P-NMR...
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