Speaker
Prof.
Trinidad Martinez
(National University of Mexico)
Description
Marine sediments from West coast of Mexico in the Pacific Sea from Sinaloa to Jalisco, Mexico were analyzed by the energy-dispersive X-ray fluorescence technique (EDXRF). 9 sediment samples were collected in May, 2010 at water depths between 55.5 and 1264 m with a box nucleate sampler type Reinneck. Sediments were dried and the total and separated fine fraction analyzed. Concentration and distribution of K, Ca, Ti Mn, Fe, Cu, Zn, Ga, Pb and Br were analyzed and compared with the reference values given by the Environmental Protection Agency (EPA) and Ontario Ministry of the Environment (MOE). In order to know the status of the elements in marine sediments, the enrichment factor and other index were calculated. It was also determined the pH, conductivity and total and organic carbon. Scanning electron microscopy and X-ray diffraction (XRD) show the predominant groups of compounds present in these marine sediments. As a Quality Control, Certified Reference Material was processed and analyzed at the same conditions.
Author
Prof.
Trinidad Martinez
(National University of Mexico)
Co-authors
Mr
Alejandro Ramos
(National University of Mexico)
Prof.
Graciela Muller
(National University of Mexico)
Prof.
Juan Lartigue
(National University of Mexico)
Dr
Manuel Navarrete
(National University of Mexico)
Dr
Pedro Avila-Perez
(National Institute of Nuclear Research)
Prof.
Samuel Tejeda
(Naational Institute of Nuclear Research)
Dr
Zarazua Graciela
(National Institute of Nuclear Research)
