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Re: [sdpd] Hump ???



> The mystery is now evenmore thick... I recorded a
> new pattern this night, without sample, and it is
> confirmed that the single-humped camel (with sample)
> tranformed into a nice double-humped camel (without
> sample), periodical, d=4.4A...

So, the experiment without sample was not useless ? now having two
humps you may double the moral compensation sum from Bruker :)

I would also try to perform a zero-2theta scan instead of theta-2theta
to exclude the primary beam scattering on the sample holder device and
see the result. 
The most radical solution would be to assemble a small portable
beam-stop with a manual holder, move the detector to the hump position
and put the beam-stop at different places along the primary beam path
checking the intensity by the intensimeter. I do not know, however, if
Bruker D8 allows such a manual invasion.

Regards,
Leonid

P.S. Why do you measure at nights only ? to exclude the sun wind
influence? :)




	
		
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