A cation hydration number study has been carried out for solutions of UO2(C104)2, U02(N03)2, U02C12, and U02Br2 in water-acetone mixtures by the direct proton magnetic resonance (pmr) method. At temperatures below -85°, proton exchange is slow enough to permit the observation of separate pmr signals for bulk water molecules and water molecules in the U022+ solvation shell. In CIO4solutions, U022+ is hydrated by a maximum of four water molecules and complex formation is negligible. Bidentate complexing occurs with N03and the equilibrium quotient for the formation of the mononitrato complex is roughly an order of magnitude greater than that for the dinitrato complex. Complexing is evident in the Cland Brsolutions but spectral complexities prevented an unambiguous identification of the species.

A method has been developed for the rapid isolation and identification of psilocin from psilocin/psilocybin-containing mushrooms. Based on the difference in the solubility properties in butyl chloride of psilocin and other constituents present in psilocin/psilocybin-containing mushrooms, psilocin was easily separated in pure form.