Removal of cadmium ion by means of synthetic hydroxyapatite

The reaction behaviour of synthetic hydroxyapatite [Ca 10(PO 4) 6(OH) 2] (HAP) toward cadmium ion was investigated for the Cd/Ca molar ratio in the range 1–0.005, by means of ions, pH measurements and XRD, SEM, IR techniques. The reaction behaviour between HAP and cadmium ion could be explained by a...

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Veröffentlicht in:	Waste management (Elmsford) 2002-01, Vol.22 (8), p.853-857
Hauptverfasser:	Lusvardi, Gigliola, Malavasi, Gianluca, Menabue, Ledi, Saladini, Monica
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorption Applied sciences Biocompatible Materials - chemistry Cadmium - isolation & purification Durapatite - chemistry Environmental Pollutants - isolation & purification Exact sciences and technology General purification processes Hydrogen-Ion Concentration hydroxyapatite Ions Microscopy, Electron, Scanning Pollution Wastewaters Water treatment and pollution X-Ray Diffraction
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Zusammenfassung:	The reaction behaviour of synthetic hydroxyapatite [Ca 10(PO 4) 6(OH) 2] (HAP) toward cadmium ion was investigated for the Cd/Ca molar ratio in the range 1–0.005, by means of ions, pH measurements and XRD, SEM, IR techniques. The reaction behaviour between HAP and cadmium ion could be explained by a formation of an amorphous phase and/or a sorption mechanism.
ISSN:	0956-053X 1879-2456
DOI:	10.1016/S0956-053X(02)00078-8