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Solid samples are prepared for X-ray diffraction by grinding, which depending on the sample matrix, the size of the sample, and/or quantity of prepared material needed can be accomplished by several different methods.
Sample Matrix | Use... |
Soft clay | Agate mortar and pestle |
Hard solids | Mixer mill |
Hard solids in bulk quantities | Shatterbox |
Hard sample too large to fit in the shatterbox | X-Press |
Drying Samples
Freeze-dry sample(s) for at least 12 hours before grinding. If the samples still feel cold when removed from the dryer, the samples still have moisture in them and need to dry longer.
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