low cost multi-purpose system for energy dispersive x-ray fluorescence analysis virgÍlio f....

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LOW COST MULTI-PURPOSE SYSTEM FOR ENERGY DISPERSIVE X-RAY FLUORESCENCE ANALYSIS VIRGLIO F. NASCIMENTO FILHO Departamento de Cincias Exatas/ESALQ Laboratrio de Instrumentao Nuclear/CENA FAPESP-CNPq www.cena.usp.br/labs/labinstrnucl.htm virgilio@cena.usp.br Slide 2 AXIL SOFTWARE Slide 3 MODES OF XRF ANALYSIS WD-XRF ED-XRF TXRF -XRF Slide 4 X-RAY FLUORESCENCE TECHNIQUE WD-XRF sequential analysis expensive equipment ED-XRF simultaneous analysis low cost equipment ED-XRF simultaneous analysis low cost equipment Slide 5 EDXRF and TXRF Slide 6 X-RAY FLUORESCENCE SOURCE Slide 7 X-RAY FLUORESCENCE X-RAY TUBE Slide 8 2D MAPPING Slide 9 CAPILLARY OPTICS Straight capillary Conical capillary Ellipsoidal capillary Slide 10 APPLICATIONS Slide 11 EDXRF - AEROSOL Slide 12 Slide 13 APPLICATIONS Slide 14 Holynska, B. et al. - Energy-dispersive X-ray fluorescence spectrometer with capillary optics for for the chemical analysis of atmospheric aerosols with high time resolution. J. Aerosol Sci., 28: 1455, 1997. APPLICATIONS Slide 15