> > performing a scan of a Co compound, in capillary setup, with > > CuKa1 primary monochromated radiation, PSD detector, I get a > > bkgd decreasing as usual from 10 to 50°, but then constantly > > increasing from 50° up to my upper scan limit (100°). I have > > no ready aexplanation for this, and your suggestions will > be welcome. > > Best regards Natale Perchiazzi > > You will get fluorescence from Co which has the K absorption > edge at 7709 eV. Unless you have a different anode target, > your only other options are an analyser crystal (not sure how > that works with a PSD although Philips seems to have worked > it out), or a Ni filter.
Please disregard my nonsense about the Ni filter. That would not work. Jens
