investigador

Renato Saavedra Sánchez

Doctor en Física

Universidad de Concepción

renato.saavedra@cefop.udec.cl

56-41-2203763

Renato Saavedra Sánchez



International Congress

  • Obsidian Hydration by Infrared Photoacoustic Spectroscopy: A Case Example from Rapa Nui / Caracterización geológica y arqueológica de obsidianas chilenas, mediante hidratación y concentración elementa, R. Saavedra, Tercer Congreso Latinoamericano de Arqueometría, CHILE, ARICA, (2011-11-14)
  • Co(II) determinationby photoacoustic spectroscopy with 3-(2Pyridyl),-5,6 bis(4- sulfophenyl)-1,2,4-triazine as ligand., R. Saavedra, 37th. FACSS Conference Federation of Analytical Chemistry and Spectroscopy Societies., United States, Raleigh, North Carolina, (2010-10-17)

National Congress

  • Estudios Preliminares para la Determinación de Co(II), Al Estado de Complejo con Ferrocina en Fase sólida por espectroscopía Fotoacústica, R. Saavedra, XXVII Chilean Chemical Meeting, Chile, Chillán, (2009-11-03)

Workshop

  • FTIR Photoacoustic and Applications, R. Saavedra, Obsidian Hydration Dating Workshop: A New Chronological Tool for Chilean Prehistory, Chile, Santiago, (2009-12-01)
  • Applications of Fourier transform infrared - photoacousitc spectroscopy (FTIR-PAS) , R. Saavedra, Obsidian Hydration Dating Workshop: A New Chronological Tool for Chilean Prehistory , Chile, Santiago, (2009-10-15)

Collaborative Activities

  • Department of Chemistry, Richard Bland College. Petersburg, Virginia USA., Chile, 2009-10-22
  • Seminar "Obsidian Hydration Dating by Photoacoustic Infrared Spectroscopy"Dr. Christopher M. Stevenson. Fullbright Senior Specialist Departmen of Chemistry Richard Bland College. Petersburg, Virginia , Chile, 2009-10-22
  • Christopher M. Stevenson Fullbright Senior Specialist Department of Chemistry, Richard Bland College, Petersburg, Virginia, USA. , Chile, 2009-10-22
  • Universidad Academia Humanismo Crisitiano, , 2012-01-19
  • Centro de Investigaciones en Láser y Aplicaciones - CEILAP, ARGENTINA, 2012-06-03

Publications

  • R. Saavedra, R. Gómez. Determination of lead(II) by thermal lens spectroscopy (TLS) using 2-(2′-thiazolylazo)-p-cresol (TAC) as chromophore reagent, MICROCHEMICAL JOURNAL, Vol. 110, pp. 308-313 (2013). http://dx.doi.org/10.1016/j.microc.2013.04.019
  • R. Saavedra, R. Gómez, C. Candia, . Determination of Pb(II) by Photoacoustic Spectroscopy with a Solid-Phase Spectrophotometry Approach Using 2-(2'-Thiazolylazo)-p-cresol (TAC) Coated on Resin, INTERNATIONAL JOURNAL OF THERMOPHYSICS, Vol. 33, Article. 7, pp. 1-6 (2012). 10.1007/s10765-012-1356-0
  • R. Saavedra, Cesar Soto, Jorge Yañez S.. Differentiation of two main ammunition brands in Chile by Regularized Discriminant Analysis (RDA) of metals in gunshot residues, MICROCHEMICAL JOURNAL, Vol. 101, pp. 43-48 (2012). http://dx.doi.org/10.1016/j.microc.2011.10.003
  • R. Saavedra, Cesar Soto, Jorge Yañez S.. Differentiation of two main ammunition brands in Chile by RDA of metals in gunshot residues, MICROCHEMICAL JOURNAL, Vol. 101, pp. 43-48 (2012). http://dx.doi.org/10.1016/j.microc.2011.10.003
  • R. Saavedra, Cesar Soto, Jorge Yañez S., Maria Ines Toral. Determination of cobaltn in water samples by photoacoustic spectroscopy with a solid-phase spectrophotometry approach using 3-(2-pyridyl)-5,6-bis(4-sulfophenyl)-1,2,4-triazine, MICROCHEMICAL JOURNAL, Vol. 98, Issue. 2, pp. 220-224 (2011). doi:10.1016/j.microc.2011.02.003
  • R. Saavedra, César Soto , M.I. Toral , Jorge Yañez S.. Determination of Pd(II) content in catalysts and tap water samples via photoacoustic spectroscopy analysis of Pd(II)-3-[2 '-thiazolylazo]-2,6-diaminopyridine complex on solid phase, JOURNAL OF HAZARDOUS MATERIALS, Vol. 167, Issue. 1, pp. 970-975 (2010). 10.1016/j.jhazmat.2009.01.080
  • A. Cruz-Orea , R. Saavedra, B.R. Briseno-Tepepa , E. Suaste , J.L. Jimenez-Perez , R. Gonzalez-Ballesteros . Photopyroelectric Microscopy of Plant Leaves, INTERNATIONAL JOURNAL OF THERMOPHYSICS, Vol. 29, Issue. 6, pp. 2200-2205 (2008). 10.1007/s10765-007-0262-3
  • H. Bhuyan , M. Favre , E. Valderrama , G. Avaria , F. Guzman , H. Chuaqui , I. Mitchell , E. Wyndham , R. Saavedra, M. Paulraj. Effect of high energy ion irradiation on silicon substrate in a pulsed plasma device, APPLIED SURFACE SCIENCE, Vol. 254, Issue. 1 (2007). 10.1016/j.apsusc.2007.07.029
  • M. Paulraj, R. Saavedra, E. Valderrama , E. Wyndham , G. Avaria , H. Bhuyan , H. Chuaqui , I. Mitchell , M. Favre . Formation of hexagonal silicon carbide by high energy ion beam irradiation on Si(100) substrate, JOURNAL OF PHYSICS D-APPLIED PHYSICS, Vol. 40, Issue. 1, pp. 127-131 (2007). 10.1088/0022-3727/40/1/003
  • M. Paulraj, J. Ravi , S.T. Lee , R. Saavedra. Investigation on chalcogenide glasses for its threshold phenomena using photothermal methods, NON.DEST.TEST AND EVAL, Vol. 10, Article. 1080 (2007).
  • A. Cruz , E. San Martin , R. Pedroza-Islas , S.A. Tomas , R. Saavedra. Study of water vapour permeability of protein and gum-based edible films by a photothermal method, JOURNAL DE PHYSIQUE IV, Vol. 125, Issue. 125, pp. 893-895 (2005). 10.1051/jp4:2005125207
  • R. Saavedra, A. Cruz-Orea , J.E. Morales , N. Gatica. Photoacoustic evaluation of molecular weight and crosslinking effects on thermal diffusivity in Poly(N-vinyl-2-pirrolidone), JOURNAL DE PHYSIQUE IV, Vol. 125, Issue. 125, pp. 281-283 (2005). 10.1051/jp4:2005125067
  • R. Saavedra, A. Cruz-Orea , J.E. Morales , V. Sagredo . Photoacoustic study of the effect of Mn ion concentration on the thermal diffusivity of Zn1-xMnxIn2Se4 mono-crystals, JOURNAL DE PHYSIQUE IV, Vol. 125, Issue. 125, pp. 285-287 (2004). 10.1051/jp4:2005125068