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. 1979 Nov 26;29(2):127-31.
doi: 10.1007/BF02408067.

Lattice parameters and cation distribution of solid solutions of calcium and strontium hydroxyapatite

H J Heijligers, F C Driessens, R M Verbeeck

Lattice parameters and cation distribution of solid solutions of calcium and strontium hydroxyapatite

H J Heijligers et al. Calcif Tissue Int. .

Abstract

Solid solutions of strontium and calcium hydroxyapatite were synthesized by solid-state reaction. Lattice parameters of these compounds were determined using two types of Guinier cameras. They vary linearly with the molar percentage of strontium hydroxyapatite. The distribution of Ca and Sr ions over the fourfold and sixfold positions in the apatite structure was determined by comparing experimental and calculated values for the intensity ratios of suitable reflections. A slight, although significant, preference of Sr for the sixfold position was found. An ideal behavior is predicted for these solid solutions.

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