Get Adsorption on and Surface Chemistry of Hydroxyapatite PDF

By Zahid Amjad (auth.), Dwarika N. Misra (eds.)

ISBN-10: 1475790120

ISBN-13: 9781475790122

ISBN-10: 1475790147

ISBN-13: 9781475790146

Hydroxyapatite is the structural prototype of the most inorganic constituent of bone and enamel and, including fluorapatite, is usually one of many significant minerals in advertisement phosphate ores. The adsorption features and floor chemistry of hydroxyapatite are very important in knowing the expansion, dissolution and adhesion mechanisms of bone and the teeth tissues and in elucidating the standards in mineral beneficiation reminiscent of floation and flocculation. This quantity primarily files the lawsuits of the symposium at the related subject held on the American Chemical Society assembly in Kansas urban, MO, September 12-17, 1982. It encompasses a few papers which have been now not offered on the symposium yet doesn't include the full software. This quantity presents, on a constrained scale, a multidisciplinary evaluate of present paintings within the box of adsorptive habit and floor chemistry of hydroxyapatite and comprises convinced evaluation articles. There are papers each one on adsorption, adsorption and its results on crystal progress or dissolution kinetics, results of electrochemical parameters on solubility and adsorption, and more moderen actual equipment (exoemission and high-resolution NMR) of interpreting hydroxyapatite floor. there's one paper every one on constitution modelling of apatite floor in keeping with octacalcium phosphate interface and on biodegradation of sintered hydroxyapatite.

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Brown, J. Res. Nat. Bur. Stand. 77A:149 (1973). 21. A. N. Smith, A. M. Posner and J. P. Quirk, J. Colloid Interface Science 54:176(1976). 22. M. s. Wu, W. I. Higuchi, J. L. Fox and M. Friedman, J. Dent. Res. 55:496 (1976). 23. w. E. Brown, T. M. Gregory and L. C. Chow, Caries Res. 11(Suppl. 1) :118 (1977). 24. H. McDowell, T. M. Gregory, and W. E. Brown, J. Res. Nat. Bur. Stand. 81A:273 (1977). 25. M. B. Fawzi, z. L. Fox, M. G. Dedhiya, W. I. Higuchi and J. J. Hefferren, J. Colloid Interface Science.

The plane M marks the transformation of hydroxyapatite to monenite. 6. ORIGIN OF SURFACE CHARGE The charge of ionic solids is considered to be the result of preferential dissolution or adorption of lattice ions, which are called the potential-determining ions. The species which form complexes with the lattice ions may also contribute to the surface charge. Complex ions containing lattice ions may either be directly produced at the solid/solution interface or may form in solution and subsequently adsorb on the solid surface in amounts proportional to their concentrations in solution.

M. Gregory and L. C. Chow, Caries Res. 11(Suppl. 1) :118 (1977). 24. H. McDowell, T. M. Gregory, and W. E. Brown, J. Res. Nat. Bur. Stand. 81A:273 (1977). 25. M. B. Fawzi, z. L. Fox, M. G. Dedhiya, W. I. Higuchi and J. J. Hefferren, J. Colloid Interface Science. 67:304 (1978). 26. s. Larsen, Nature 212:605 (1966) 27. T. P. Feenstra and P. L. de Bruyn, J. Phys. Chem. 83:475(1979). 28. A. G. Walton, w. J. Bodin, J. Fueredi and A. Schwartz, Canadian Journal of Chemistry 45:2695 (1967). 29. A. S. Posner, Physiological Review 49:760(1969).

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Adsorption on and Surface Chemistry of Hydroxyapatite by Zahid Amjad (auth.), Dwarika N. Misra (eds.)


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