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MICROPROBE  TECHNIQUES  (SIMS,  LIBS,  LIMS)  FOR  DIRECT  ANALYSIS  OF  CONDENSED  PHASE

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Seminar:  May  31  at  9:00  in  OFLG  402    

MICROPROBE  TECHNIQUES  (SIMS,  LIBS,  LIMS)  FOR  DIRECT  ANALYSIS  OF   CONDENSED  PHASE  

Professor  J.  M.Vadillo,  

Department  of  Analytical  Chemistry,  University  of  Malaga,  Spai    

Photons  and  ions,  properly  focussed,  represent  powerful  tools  to  interrogate  samples   in   condensed   phase   combined   with   a   large   arsenal   of   different   detection   systems.  

Among  all  of  them,  optical  emission  spectroscopy  and  mass  spectroscopy  are  the  most   widely   used,   under   the   name   of   the   acronyms   SIMS   (secondary   ion   mass   spectrometry);  LIBS  (laser-­‐induced  breakdown  spectroscopy;  and  LIMS:  laser  ionization   mass  spectrometry).  

Every  one  owns  virtues  and  flaws  that  must  be  considered  when  facing  the  challenge   of   performing   analytical   spectroscopy   of   samples   in   condensed   phase.   However,   in   general,   the   three   techniques   represent   the   most   straightforward   way   (not   cheap,   though)   to   perform   a   quick   survey   of   a   sample   composition   in   any   of   the   diferent   sampling  ways  of  surface  analysis:  point  analysis;  rastering;  two-­‐dimensional  analysis,   and  tomographic  one.  

The  talk  will  cover  different  aspects  of  the  three  techniques,  with  selected  examples  in   different   topics   (materials   science;   environmental;   patrimonial   and   archaeological   among  other)  that  will  highlight  their  strengths.  

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