Re: Debye-Scherrer films

2000-04-05 Thread GREGOR
Dear Natale, we use both Kodak DEF 392 and CEA Reflex 25 which give similar results. The third emulsion actually available is Agfa Structurix D7 which gives a better resolution at the cost of much longer exposure times, also on blue base which makes no sense for our purpose. For digitalization, th

Re: Debye-Scherrer films

2000-04-04 Thread GREGOR
Dear Natale, we use both kodak def 392 and

Re: Debye-Scherrer films

2000-04-04 Thread Lab. Rayos X
Dear Natale In my opinnion the use of digitized data from Debye - Scherrer film for for Rietveld Refinement is not a good selection may be for the one very specific sample the results are goods, but in general I think the use of good diffractometer is a GOOD SELECTION Best Regards Ramon --

Debye-Scherrer films

2000-04-04 Thread Natale Perchiazzi
Dear All, I am planning to do Rietveld refinement starting from Debye-Scherrer film digitized data. Presently we use in our laboratory the "Direct Exposure Film" DEF 392 produced by Kodak. I am not sure this is the best choice for my purpose, so I would like to know which kind of materials people