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All abstracts by Alexandra Guedes in conference series: Goldschmidt

(2019) Characterization of Coal Char by Raman Microspectroscopy Before and after Acid Leaching
Santos AC, Moreira K, Guedes A & Valentim B

(2019) Raman Microspectroscopy Characterization of Graphite from “Terra Negra and Ferreiros” Mine (NW Portugal)
Moreira K, Santos AC, Valentim B & Guedes A

(2017) Fluid Inclusion Studies in a Li- Pegmatite from Covas do Barroso Area, Northern Portugal – Preliminary Results
Rodrigues M, Guedes A, Lima A & Noronha F

(2017) Characterization of Soils from the Region of Lisbon (Portugal) for Forensic Purposes
Pacheco Â, Moreira I, Gomes J, Ribeiro H, Sant'Ovaia H, Assis A & Guedes A

(2017) Characterization of Soils from Central and South Portugal for Forensic Purposes
Moreira I, Gomes J, Pacheco Â, Ribeiro H, Sant'Ovaia H, Assis A & Guedes A

(2017) Characterization of Soils from North and Central Portugal for Forensic Purposes
Gomes J, Moreira I, Pacheco Â, Ribeiro H, Sant'Ovaia H, Assis A & Guedes A

(2011) The Use of Magnetic Susceptibility in Forensic Soils Analyses
Guedes A, Ribeiro H, Sant'Ovaia H, Rodrigues A, Valentim B, Leal S & Noronha F

(2011) The Variation of Magnetic Susceptibility with Grain Size: Its Implication on Forensic Studies
Ribeiro C, Guedes A, Valentim B, Sant'Ovaia H, Ribeiro H & Noronha F

(2011) Discrimination of Sediment Samples for Forensic Application Using REE
Rodrigues A, Guedes A, Ribeiro H, Valentim B & Noronha F

(2011) Magnetic Susceptibility of Sands from a River Beach for Forensic Applications
Carvalho Á, Ribeiro H, Guedes A, Sant'Ovaia H, Abreu I & Noronha F

(2009) Determination of Nitrogen Functionalities by X-Ray Photoelectron Spectroscopy (XPS) in FBC Chars
Valentim B & Guedes A

(2009) Discrimination of Sediment Samples for Forensic Applications
Guedes A, Ribeiro H, Sant'Ovaia H, Valentim B, Rodrigues A, Dória A, Ribeiro MDA & Noronha F

(2009) The Use of Magnetic Susceptibility and Colour on Dune Samples for Forensic Proposes
Rodrigues A, Guedes A, Sant'Ovaia H, Valentim B, Ribeiro H & Noronha F

(2007) Micro-Raman Spectroscopy and Optical Reflectance Studies of Coals with Different Rank
Guedes A, Valentim B, Rodrigues S, Costa A, Marques M & Flores D

(2007) X-Ray Photoelectron Spectroscopy Study of Coals with Different Rank
Valentim B, Costa A, Guedes A, Boavida D, Marques M & Flores D

(2007) Characterization of Carbon Materials in Metasediment Hosted Gold Deposits (NW Portugal) by micro-Raman Spectroscopy
Dória A, Guedes A & Ribeiro MDA

(2005) Characterization of Fly Ash by SEM/EDS and Raman Spectroscopy
Valentim B, Guedes A & Flores D

(2005) The Use of micro-Raman Spectroscopy as a Fingerprint in a Forensic Investigation
DÓria A, Guedes A & Noronha F

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