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>Dear subscribers, >Where can I find background information on platinum as a catalyst for the >oxygen-CO2 conversion. Most of the new papers dealing with fluorination >of oxides and subsequent O2-CO2 conversion refer to this step but without >details. Are there any other catalysts to promote the high-temperature >formation of CO2 (res. to avoid the CO-formation)? >best wishes >Bernd > > Dear Bernd We are using another "classical" method long time ago without trouble. I basically agree with Mr Baublys (I have seem this system) but you could also use the carbon rod with platinum wire simply rolled around it. A external high frecuency generator glow the platinum wire as much as you need. All (carbon rod plus platinum wire) is into a glass vessel where at the bottom the liquid nitrogen will collect the CO2 produced. The platinum wire ends are used to hang the rod on a glass finger in the upper part of the glass vessel. Good luck Rafael Núñez Gómez Estación Experimental del Zaidín (C.S.I.C.) Profesor Albareda 1, 18008 Granada, Spain Tf 34 58 121011 Fax 34 58 129600