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Abstract. The carbonate and phosphate vibrational modes of different synthetic and biological carbonated apatites were investigated by Raman microspectroscopy, and compared with those of hydroxyapatite. The 1 phosphate band at 960 cm1 shifts slightly due to carbonate substitution in both A and B sites. The spectrum of type A carbonated apatite exhibits two 1 PO43 bands at 947 and 957 cm1. No significant...
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