Browsing by Author "Yu P."

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15N NMR STUDY OF NITRATE ION STRUCTURE AND DYNAMICS IN HYDROTALCITE-LIKE COMPOUNDS

Hou X.; Kirkpatrick James R.; Yu P.; Moore D.; Kim Y. (2000)

We report here the first nuclear magnetic resonance (NMR) spectroscopic study of the dynamical and structural behavior of nitrate on the surface and in the interlayer of hydrotalcite-like compounds (15NO3--HT). Spectroscopically ...
ACTIVATION VOLUMES FOR OXYGEN EXCHANGE BETWEEN THE GAO4AL12(OH)24(H2O) 127+(AQ) (GAAL12) POLYOXOCATION AND AQUEOUS SOLUTION FROM VARIABLE PRESSURE 17O NMR SPECTROSCOPY

Loring J.; Yu P.; Phillips B.L.; Casey W.H. (2004)

Activation volumes for exchange of oxygen between bulk aqueous solution and sites in the GaO4Al12(OH)24(H2O)127+(aq) (GaAl12) complex were measured by variable-pressure 17O NMR techniques. Near 322 K, rates of exchange for ...
POTENTIOMETRIC AND 19F NUCLEAR MAGNETIC RESONANCE SPECTROSCOPIC STUDY OF FLUORIDE SUBSTITUTION IN THE GAAL12 POLYOXOCATION: IMPLICATIONS FOR ALUMINUM (HYDR)OXIDE MINERAL SURFACES

Yu P.; Lee A.P.; Phillips B.L.; Casey W.H. (2003)

Fluoride replacement of oxygens in the GaO4Al12(OH)24(H2O)127+(aq) molecule [GaAl12] was studied via 19F nuclear magnetic resonance (NMR) at 4 < pH < 5 and 278 K in order to elucidate similar reactions at the surfaces of ...

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