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Composition of apatites in human urinary calculi
Authors:P. F. González-Díaz  J. V. García-Ramos  M. Santos
Affiliation:(1) Instituto de Optica “Daza de Valdés” C.S.I.C., Serrano, 121, Madrid-6, Spain
Abstract:
Summary Calcium-deficient carbonate apatites in urinary calculi from 17 patients have been studied. Magnesium ions in each case were detected as a component of apatite. In most of the cases, CO 3 2− ions were included in the apatitic lattice. Using a calcination procedure, we have determined the most probable average value for the CO 3 2− content, degree of deficiency, x, and the Mg/Ca ratio in each sample.
Keywords:Apatite  Carbonate  Magnesium  Deficiency  Whitlockite
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