Szczegóły publikacji
Opis bibliograficzny
Arsenate substitution in lead hydroxyl apatites: A Raman spectroscopic study / Alicja Giera, Maciej MANECKI, Tomasz BAJDA, John Rakovan, Monika KWAŚNIAK-KOMINEK, Tomasz Marchlewski // Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy ; ISSN 1386-1425. — 2016 — vol. 152, s. 370–377. — Bibliogr. s. 377, Abstr.
Autorzy (6)
- Giera Alicja
- AGHManecki Maciej
- AGHBajda Tomasz
- Rakovan John
- AGHKwaśniak-Kominek Monika
- Marchlewski Tomasz
Słowa kluczowe
Dane bibliometryczne
| ID BaDAP | 91282 |
|---|---|
| Data dodania do BaDAP | 2015-08-25 |
| Tekst źródłowy | URL |
| DOI | 10.1016/j.saa.2015.07.015 |
| Rok publikacji | 2016 |
| Typ publikacji | artykuł w czasopiśmie |
| Otwarty dostęp |  |
| Czasopismo/seria | Spectrochimica Acta, Part A, Molecular and Biomolecular Spectroscopy |
Abstract
A total of seven compounds of the hydroxylpyromorphite Pb-10(PO4)(6)(OH)(2) - hydroxylmimetite Pb10(AsO4)(6)(OH)(2) (HPY-HMI) solid solution series were synthesized at 80 degrees C from aqueous solutions and characterized using Raman spectroscopy. The positions of the bands in all spectra of the series depend on the content of arsenates and phosphates shifting to lower wavenumbers with substitution of (AsO4)(3-) for (PO4)(3-). This shift results from the decreasing bond strength of X-O (where X = P, As) and higher atomic mass of As than P. The position and intensity of major (PO4)(3-) and (AsO4)(3-) bands in Raman spectra exhibit linear correlation with As content, while the ratio of the intensities of these peaks shows exponential correlation. This results due to different polarizability of (PO4)(3-) and (AsO4)(3-) molecules. A small carbonate band develops with increasing As content indicating that hydroxyl lead apatites adopt the (CO3)(2-) ions, particularly at the arsenate end of the series. (C) 2015 Elsevier B.V. All rights reserved.
