I have a very small sample of graphite sheet (10mg, 36mm2) of which I need to perform XRD. The detected area of the instrument I am using is 6.25cm2. How can I perform XRD of such small sample? Please help!
In the new Panalytical EMPYRAN XRD system there is a attachment called SPOT XRD where there is a zooming lens by which you can magnify the samples area. Then you can select the area where you want to do XRD. In metallic samples we find different types of grain, pores , inclusion. etc and they are magnified and later XRD taken for the inclusion/pores. Hope this works for you.
I think its enough to test the XRD of the sample if you make the sample into suspension.
Normally, just use ethanol or Pr-OH to disperse you sample, then drop some of the ink on the detected area several times, after totally dried, you can start test. Its easy and very normal in XRD analysis.
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