Laboratorio di diffrazione RX su polveri XRPD
Italiano
Diffrattometro automatico per polveri Bruker AXS D8 Advance, operante in geometria θ/θ in trasmissione su capillari, dotato di camera riscaldante fino a T 1000°C e rivelatore PSD VÅntec-1.
X-ray Powder Diffraction (XRPD)
Chemical and structural characterization of UICC crocidolite fibres from Koegas Mine, Northern Cape (South Africa)
In the present work we report the full structural and spectroscopic characterization of an UICC crocidolite standard sample, that is a fibrous riebeckite from Koegas Mine, Northern Cape (South Africa). The chemical composition was obtained by SEM-EDS and cation site partition was retrieved by complementing chemical, Mössbauer and X-ray powder diffraction data. Cell parameters, fractional coordinates, and site scattering for M(1), M(2), M(3), M(4) were refined using the Rietveld method.