Fig. 1. Solution 31P NMR spectra of model inorganic P compounds added to a soil extract (0.25 M NaOH and 0.05 M EDTA) that had been lyophilized and redissolved in D2O and 1 M NaOH.
Fig. 1. Solution 31P NMR spectra of model inorganic P compounds added to a soil extract (0.25 M NaOH and 0.05 M EDTA) that had been lyophilized and redissolved in D2O and 1 M NaOH.