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<p>[QUOTE=&quot;Oldhoopster, post: 3384941, member: 84179&quot;]The quick and dirty answer is that the algorithm in the machine has trouble differentiating between the spectra lines for diff elements.&nbsp; Many times, the peaks for various elements overlap and the algorithm can&#039;t different between a minor peak for an element that is a major constituent and a major peak for a minor constituent if they are close to the same energy levels.&nbsp; Expensive equipment found in analytical labs does a much better job of sorting out the minor element.</p><p><br /></p><p>In simple English - For handheld machines, ignore the trace element data.</p><p><br /></p><p>One of the chemy/sciency guys like [USER=33176]@Kentucky[/USER], [USER=15199]@desertgem[/USER], or [USER=15309]@Lehigh96[/USER] may be able to give a better explanation[/QUOTE]</p><p><br /></p>

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