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• Traditional method: is recommended for all scans; it gives an arc parabola but never submerges a complete peak.
• Enhanced method: gives a smooth curve where some peaks may be under the background curve. This could be useful for crystallographic studies. See the EVA manual for greater detail.
  
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Figure 3. Background Highlighted in a Diffractogram and Background Dialog Box in inset

In Data Command Panel, select Tools > Background to open the Background dialog box (Figure 3). Default view is 'Original + Background'. If needed, use the slider on the left to adjust the curvature on background humps. When satisfied, in the drop-down box, select Background subtracted option. Close the text box . The background is removed, and the diffractogram is changed to baseline.

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This document originated from Word document XRD_EVA_QSGV1.2_368X.doc (see Archived Versions below for a pdf copy) that was written by H. Barnes and K. Bronk; later edited by N. Lawler and A. Armstrong. Credits for subsequent changes to this document are given in the page history.

Archived Versions

Diffrac.Eva Quick Start Guide - September 27, 2022

LMUG-XRDDiffrac.EVAQuickStartGuide-111221-1202-232.pdf

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