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There are 10 back-loading holders. The holder has an empty ring (Figure 9A) and backing piece (Figure 9B) that snaps in from behind. There are also two loading pieces. One piece helps funnel the powder (Figure 9C) in and the other taps down the powder into a flat surface (Figure 9D). Note: If the layer of sample is not think enough or the sample is composed mostly of very light elements (such as freeze-dried calcareous ooze), the sample holder material (PMMA plastic) will show a low broad peak at ~7.3º 2θ in the diffractogram.
Figure 9. Back-loading sample holder pieces. A. Sample Ring B. Back piece C. Funneling piece D. Tapper
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The .RAW file is not readable for most other software, whereas the .UXD file is a text file that can be read by other programs. Therefore, we upload both of files types to LIMS. DIFFRAC.Eva can open/import .raw and .xy files, whereas HighScore Plus (available to the scientists via a virtual computer, see HighScore Software Plus Quick Start Guide) can open .raw, uxd, .xrdml, and .xy XRD file types. See the Aeris Advanced user Guide for instructions on converting .xrdml (Aeris) files to .xy.
To convert a .RAW file to an .UXD file, click the Diffrac.File Exchange software icon on the desktop (Figure 16).
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Regularly check the filter in the HASKRIS tank. If there is a lot of debris it may be necessary to drain the tank and refill with DI distilled or reverse osmosis (RO) water only - NOT DEION. The filter can be sprayed off in a sink taking care not to puncture the screening. If the water flow rate to the system begins to drop close to 4 L/minute it may mean there is a clog in the quick disconnect points behind the back panel or the sprayer head in the X-ray tube housing needs to be cleaned.
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