Dear user,
If the beam is monocromatic, the second peak may be due to cuK-alpha 2 radiation ro if not so, it may be due to k-beta radiation.For K-beta line, you may use a ni filter to absorb it. For k-alpha , you may change the divergient slit of the primary side ( 0.2mm or 0.4mm slit ) or the de
Dear Stephen,
I apologise for calling you chuisy last time round.
One suggest to test the size of the footprint is, I think, to use common
rock salt. Grind this up and place liberally over your plate and you can
check at low angle where the X-rays are striking the plate, because the
salt will go
Dear William,
Thank you for your kind suggestion.
Well, our XRD is not a very new model, we use a fixed divergent slit, receving
slit and antiscattering slits. But I need to check them whether the divergent
and anti-scattering slits are in the same sizes. When I added the anti-scatter
slit, the b
Hi,
Looking at the attached file, my opinion is that this effect is caused by a
quite large divergent (or both divergent and anti-scattering) slits. It is
not normal to have over 1000 counts at 5 degrees 2-theta. This could be due
either by a portion of incident beam or by a scattering from the sam
Dear Chuisy,
The broad bump you are experiencing at low angle may be to do with the
slits. One has to be careful with these new XRD machines which have
variable slits, to make sure the divergent and the anti-scattering slits
are equal and if you choose to keep the slits fixed, which usually result
Dear all,
We are recently installing a XRD, and there is a huge peak occurred in the
3-7deg (2T) which is masking the useful signals from the sample. How can we
eliminate the big peak there?
We use 40kW, 30mA CuKa x-ray, divergent and receving slits are used,
many thanks,
stephen
