Capillary is silica glass :-) > On 22 Apr 2023, at 11:57 am, Anatoly Frenkel <anatoly.fren...@stonybrook.edu> > wrote: > > Capillary made or what? > > Anatoly > >> On Apr 21, 2023, at 9:52 PM, Joel Brugger <joel.brug...@monash.edu> wrote: >> >> Fluo, 0.5 wt% Cu. >> >>> On 22 Apr 2023, at 11:41 am, Anatoly Frenkel >>> <anatoly.fren...@stonybrook.edu <mailto:anatoly.fren...@stonybrook.edu>> >>> wrote: >>> >>> Fluorescence or transmission? >>> What is the Cu concentration? Could be self absorption. >>> >>> Anatoly >>> >>>> On Apr 21, 2023, at 9:31 PM, Joel Brugger <joel.brug...@monash.edu >>>> <mailto:joel.brug...@monash.edu>> wrote: >>>> >>>> Dear list, >>>> >>>> We are trying to fit EXAFS from data collected on solutions within a >>>> capillary. The capillary has OD 1mm, ID 0.8mm, and was placed >>>> horizontally. The beam is 1x2 mm (VxH). >>>> >>>> Fitting the copper reference foil, we get the expected SO2 value of ~0.7. >>>> >>>> However, the solution containing the Cu(II) aqua ion gives a coordination >>>> of 2, instead of the expected 5-6. So our SO2 for this solution is >>>> apparently ~0.25. >>>> >>>> I couldn’t find a discussion of the effect of geometry (in our case >>>> cylindrical rather than planar) on SO2. Is it possible that the low SO2 is >>>> a result of the odd geometry? >>>> >>>> Confused as ever, >>>> >>>> JOEL >>>> >>>> >>>> Joël Brugger >>>> Professor of Synchrotron Geosciences >>>> >>>> Monash University >>>> School of Earth, Atmosphere and Environment >>>> Room 257A, Level 2, 9 Rainforest Walk <x-apple-data-detectors://2> >>>> Clayton, Victoria 3800 <x-apple-data-detectors://2> >>>> Australia <x-apple-data-detectors://2> >>>> >>>> T: +61 3 9905 4898 <tel:+61%203%209902%209095> >>>> E: joel.brug...@monash.edu <mailto:andrew.mackint...@monash.edu> >>>> Twitter: @JoelBrugger >>>> >>>> _______________________________________________ >>>> Ifeffit mailing list >>>> Ifeffit@millenia.cars.aps.anl.gov >>>> <mailto:Ifeffit@millenia.cars.aps.anl.gov> >>>> http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit >>>> <http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit> >>>> Unsubscribe: http://millenia.cars.aps.anl.gov/mailman/options/ifeffit >>>> <http://millenia.cars.aps.anl.gov/mailman/options/ifeffit> >>> _______________________________________________ >>> Ifeffit mailing list >>> Ifeffit@millenia.cars.aps.anl.gov <mailto:Ifeffit@millenia.cars.aps.anl.gov> >>> http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit >>> <http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit> >>> Unsubscribe: http://millenia.cars.aps.anl.gov/mailman/options/ifeffit >> > _______________________________________________ > Ifeffit mailing list > Ifeffit@millenia.cars.aps.anl.gov > http://millenia.cars.aps.anl.gov/mailman/listinfo/ifeffit > Unsubscribe: http://millenia.cars.aps.anl.gov/mailman/options/ifeffit
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