APSXAFS/APS XOR Eval/20BMNotes/20BMNotes

<head> <meta name=Title content="Baseline Evaluation of XAFS Bending Magnet Beamlines"> <meta name=Keywords content=""> <meta http-equiv=Content-Type content="text/html; charset=macintosh"> <meta name=ProgId content=Word.Document> <meta name=Generator content="Microsoft Word 11"> <meta name=Originator content="Microsoft Word 11"> <link rel=File-List href="20BMBaseline_files/filelist.xml"> <link rel=Edit-Time-Data href="20BMBaseline_files/editdata.mso">  <title>Baseline Evaluation of XAFS Bending Magnet Beamlines</title> <!--[if gte mso 9]><xml>

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</head>

Baseline Evaluation of XAFS Bending Magnet Beamlines<o:p></o:p>

Experiments performed under “standard optimized operating conditions,” as recorded.<o:p></o:p>

</div>

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border-collapse:collapse;mso-padding-alt:0in 5.4pt 0in 5.4pt'> <tr style='height:15.9pt'>
- <td width=113 valign=top style='width:112.5pt;padding:0in 5.4pt 0in 5.4pt; height:15.9pt'> Steve Heald<o:p></o:p> </td>
</tr>
<tr style='height:15.95pt'>
- <td width=113 valign=top style='width:112.5pt;padding:0in 5.4pt 0in 5.4pt; height:15.95pt'> Matt Newville<o:p></o:p> </td>
</tr> <tr style='height:15.95pt'>
- <td width=113 valign=top style='width:112.5pt;padding:0in 5.4pt 0in 5.4pt; height:15.95pt'> Mali Balasubramanian<o:p></o:p>
 </td>
</tr> <tr style='height:15.95pt'>
- <td width=113 valign=top style='width:112.5pt;padding:0in 5.4pt 0in 5.4pt; height:15.95pt'> Julie Cross<o:p></o:p> </td>
</tr>

</table>

<![if !supportEmptyParas]> <![endif]><o:p></o:p>

<![if !supportLists]>o <![endif]>Rhodium coated harmonic rejection mirror, angle varies. See notes for specific test.<o:p></o:p>

<![if !supportLists]>o <![endif]>The SRS-570 current amplifier gain settings are recorded in the data file headers.<o:p></o:p>

<![if !supportLists]>o <![endif]>A 10% DC offset on the SRS-570 was automatically corrected by the data acquisition software.<o:p></o:p>

<![if !supportLists]>o <![endif]>The monochromator was detuned by 10% on the preslit detector. <o:p></o:p>

<![if !supportLists]>o <![endif]>Feedback stabilization was not used, although it is available. <o:p></o:p>

<![if !supportLists]>o <![endif]>The beam was unfocused, although vertical focusing is possible with the 20-BM HR Mirror. <o:p></o:p>

flowing in I0[15 cm] and IT[30 cm] ionization chambers.<o:p></o:p>

<![if !supportLists]>o <![endif]>Chambers operating at 600 VDC, except where noted.<o:p></o:p>

<![if !supportLists]>o <![endif]>7 GeV electron synchrotron operating in top-up mode, 100 mA (nominal).<o:p></o:p>

<![if !supportLists]>o <![endif]>I0 entrance slits 1.1 mm vertical x 10 mm horizontal.<o:p></o:p>

<![if !supportEmptyParas]> <![endif]><o:p></o:p>

N.B. Sector 21 is under construction, so this is probably a worst-case-scenario for noise (audible noise—ugh!!).<o:p></o:p>

ENERGY CALIBRATION: Experiment log<o:p></o:p>

</div>

XANES scans of metal foil reference standards collected over a large energy range without recalibrating the monochromator. <o:p></o:p>

<![if !supportLists]>o <![endif]>Metal foils from EXAFS Company (Joe Wong). Set provided by M. Newville.<o:p></o:p>

<![endif]>For the low energy range (V, Cr, Cu and Zn ), harmonic rejection mirror set to 5 mrad.<o:p></o:p>

<![if !supportLists]>o <![endif]>All XANES collected at 0.2 sec/point, unless otherwise noted.<o:p></o:p>

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 file name<o:p></o:p> </td> <td width="21%" rowspan=2 valign=top style='width:21.28%;border:solid windowtext .5pt; border-left:none;mso-border-left-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt'> foil<o:p></o:p> </td> <td width="42%" colspan=2 valign=top style='width:42.56%;border:solid windowtext .5pt; border-left:none;mso-border-left-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt'> edge energy<o:p></o:p>
 </td> <td width="16%" rowspan=2 valign=top style='width:16.18%;border:solid windowtext .5pt; border-left:none;mso-border-left-alt:solid blue .5pt;padding:0in 5.4pt 0in 5.4pt'> step size<o:p></o:p> </td>
</tr> <tr>
- <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt'> nominal†<o:p></o:p>
 </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt'> measured‡<o:p></o:p> </td>
</tr> <tr style='height:11.4pt'>
- <td width="19%" valign=top style='width:19.98%;border:solid windowtext .5pt; border-top:none;mso-border-top-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt; height:11.4pt'> cufoil.0001<o:p></o:p>
 </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt;height:11.4pt'> Cu<o:p></o:p> </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt;height:11.4pt'> 8980.48(2)<o:p></o:p> </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt;height:11.4pt'>
 8980.1<o:p></o:p> </td> <td width="16%" valign=top style='width:16.18%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid blue .5pt; padding:0in 5.4pt 0in 5.4pt;height:11.4pt'> 0.4 eV<o:p></o:p> </td>
</tr> <tr style='height:11.45pt'>
- <td width="19%" valign=top style='width:19.98%;border:solid windowtext .5pt; border-top:none;mso-border-top-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt; height:11.45pt'>
 znfoil.0001<o:p></o:p> </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt;height:11.45pt'> Zn<o:p></o:p> </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt;height:11.45pt'> 9660.76(3)<o:p></o:p>
 </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt;height:11.45pt'> 9660.8<o:p></o:p> </td> <td width="16%" valign=top style='width:16.18%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid blue .5pt; padding:0in 5.4pt 0in 5.4pt;height:11.45pt'> 0.4<o:p></o:p> </td>
</tr>
<tr style='height:11.45pt'>
- <td width="19%" valign=top style='width:19.98%;border:solid windowtext .5pt; border-top:none;mso-border-top-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt; height:11.45pt'> crfoil.0001<o:p></o:p> </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt;height:11.45pt'> Cr<o:p></o:p> </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt;height:11.45pt'>
 5989.02(4)<o:p></o:p> </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt;height:11.45pt'> 5988.91<o:p></o:p> </td> <td width="16%" valign=top style='width:16.18%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid blue .5pt; padding:0in 5.4pt 0in 5.4pt;height:11.45pt'> 0.3<o:p></o:p>
 </td>
</tr> <tr style='height:11.45pt'>
- <td width="19%" valign=top style='width:19.98%;border:solid windowtext .5pt; border-top:none;mso-border-top-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt; height:11.45pt'> vfoil.0001<o:p></o:p> </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt;height:11.45pt'> V<o:p></o:p>
 </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt;height:11.45pt'> 5463.76(5)<o:p></o:p> </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt;height:11.45pt'> 5464.04<o:p></o:p> </td> <td width="16%" valign=top style='width:16.18%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid blue .5pt; padding:0in 5.4pt 0in 5.4pt;height:11.45pt'>
 0.3<o:p></o:p> </td>
</tr>

</table>

Changed beamline settings to work at the high energy range. Changeover took about 1/2 hour, not including detector gas equilibration time.<o:p></o:p>

<![if !supportLists]>o <![endif]>For the high energy range (Mo, Ag), harmonic rejection mirror set to 2.3 mrad.<o:p></o:p>

<![if !supportLists]>o <![endif]>I0 entrance slits reduced to 0.8 vertical x 10 mm horizontal. <o:p></o:p>

<![if !supportLists]>o <![endif]>Switch to Ar in I0[15 cm] and IT[30 cm] at 600 VDC for Mo and Ag XANES.<o:p></o:p>

<![if !supportLists]>o <![endif]>Detector gases allowed to equilibrate while we all go for lunch, coffee, etc. around 12:45.<o:p></o:p>

<table border=1 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%;

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- <td width="19%" rowspan=2 valign=top style='width:19.98%;border:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt'> file name<o:p></o:p> </td> <td width="21%" rowspan=2 valign=top style='width:21.28%;border:solid windowtext .5pt; border-left:none;mso-border-left-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt'> foil<o:p></o:p> </td>
 <td width="42%" colspan=2 valign=top style='width:42.56%;border:solid windowtext .5pt; border-left:none;mso-border-left-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt'> edge energy<o:p></o:p> </td> <td width="16%" rowspan=2 valign=top style='width:16.18%;border:solid windowtext .5pt; border-left:none;mso-border-left-alt:solid blue .5pt;padding:0in 5.4pt 0in 5.4pt'> step size<o:p></o:p> </td>
</tr> <tr>
- <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt'> nominal†<o:p></o:p> </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt'> measured‡<o:p></o:p> </td>
</tr> <tr>
- <td width="19%" valign=top style='width:19.98%;border:solid windowtext .5pt; border-top:none;mso-border-top-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt'> mofoil.0001<o:p></o:p> </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt'> Mo<o:p></o:p> </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt'> 20,000.36(2)<o:p></o:p>
 </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt'> 20,001.9<o:p></o:p> </td> <td width="16%" valign=top style='width:16.18%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid blue .5pt; padding:0in 5.4pt 0in 5.4pt'> 0.8 eV<o:p></o:p> </td>
</tr>
<tr>
- <td width="19%" valign=top style='width:19.98%;border:solid windowtext .5pt; border-top:none;mso-border-top-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt'> agfoil.0001<o:p></o:p> </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt'> Ag<o:p></o:p> </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt'>
 25,515.6(3)<o:p></o:p> </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt'> noisy, split peak<o:p></o:p> </td> <td width="16%" valign=top style='width:16.18%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid blue .5pt; padding:0in 5.4pt 0in 5.4pt'> 0.8 eV<o:p></o:p>
 </td>
</tr>

</table>

We see a double peak in the 1st derivative of agfoil.0001, and assume it is noise. <o:p></o:p>

<![if !supportLists]>o <![endif]>Increase counting time to 0.5 sec/point.<o:p></o:p>

<table border=1 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%;

border-collapse:collapse;border:none;mso-border-alt:solid windowtext .5pt;
mso-padding-alt:0in 5.4pt 0in 5.4pt'> <tr>
- <td width="19%" rowspan=2 valign=top style='width:19.98%;border:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt'> file name<o:p></o:p> </td> <td width="21%" rowspan=2 valign=top style='width:21.28%;border:solid windowtext .5pt; border-left:none;mso-border-left-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt'> foil<o:p></o:p> </td>
 <td width="42%" colspan=2 valign=top style='width:42.56%;border:solid windowtext .5pt; border-left:none;mso-border-left-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt'> edge energy<o:p></o:p> </td> <td width="16%" rowspan=2 valign=top style='width:16.18%;border:solid windowtext .5pt; border-left:none;mso-border-left-alt:solid blue .5pt;padding:0in 5.4pt 0in 5.4pt'> step size<o:p></o:p> </td>
</tr> <tr>
- <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt'> nominal†<o:p></o:p> </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt'> measured‡<o:p></o:p> </td>
</tr> <tr>
- <td width="19%" valign=top style='width:19.98%;border:solid windowtext .5pt; border-top:none;mso-border-top-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt'> agfoil.0002<o:p></o:p> </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt'> Ag<o:p></o:p> </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt'> same<o:p></o:p>
 </td> <td width="21%" valign=top style='width:21.28%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt; padding:0in 5.4pt 0in 5.4pt'> 25,521§<o:p></o:p> </td> <td width="16%" valign=top style='width:16.18%;border-top:none;border-left: none;border-bottom:solid windowtext .5pt;border-right:solid windowtext .5pt; mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid blue .5pt; padding:0in 5.4pt 0in 5.4pt'> 0.8 eV<o:p></o:p> </td>
</tr>

</table>

<![if !supportEmptyParas]> <![endif]><o:p></o:p>

†Rev. Sci. Instrum., 67 (1996) 686.<o:p></o:p>

‡Using first peak in first derivative of XANES scan taken at the beamline with LabView DAC.<o:p></o:p>

§May need to apply a smoothing algorithm to the Ag XANES to get a decent derivative.<o:p></o:p>

<![if !supportEmptyParas]> <![endif]><o:p></o:p>

ENERGY CALIBRATION: V K data (Athena screen shots)<o:p></o:p>

</div>

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height:180pt'> <v:imagedata src="20BMBaseline_files/image001.png" o:title="VEdge1"/>

</v:shape><![endif]--><![if !vml]><img width=225 height=180 src="20BMBaseline_files/image002.png" v:shapes="_x0000_i1033"><![endif]> <!--[if gte vml 1]><v:shape id="_x0000_i1034"

type="#_x0000_t75" style='width:225pt;height:180pt'> <v:imagedata src="20BMBaseline_files/image003.png" o:title="VEdge3"/>

</v:shape><![endif]--><![if !vml]><img width=225 height=180 src="20BMBaseline_files/image004.png" v:shapes="_x0000_i1034"><![endif]><o:p></o:p>

ENERGY CALIBRATION: Cr K data<o:p></o:p>

</div>

<!--[if gte vml 1]><v:shape

id="_x0000_i1035" type="#_x0000_t75" style='width:225pt;height:180pt'> <v:imagedata src="20BMBaseline_files/image005.png" o:title="CrEdge1"/>

</v:shape><![endif]--><![if !vml]><img width=225 height=180 src="20BMBaseline_files/image006.png" v:shapes="_x0000_i1035"><![endif]> <!--[if gte vml 1]><v:shape id="_x0000_i1036"

type="#_x0000_t75" style='width:225pt;height:180pt'> <v:imagedata src="20BMBaseline_files/image007.png" o:title="CrEdge3"/>

</v:shape><![endif]--><![if !vml]><img width=225 height=180 src="20BMBaseline_files/image008.png" v:shapes="_x0000_i1036"><![endif]><o:p></o:p>

ENERGY CALIBRATION: Cu K data<o:p></o:p>

</div>

<!--[if gte vml 1]><v:shape

id="_x0000_i1037" type="#_x0000_t75" style='width:225pt;height:180pt'> <v:imagedata src="20BMBaseline_files/image009.png" o:title="CuEdge1"/>

</v:shape><![endif]--><![if !vml]><img width=225 height=180 src="20BMBaseline_files/image010.png" v:shapes="_x0000_i1037"><![endif]> <!--[if gte vml 1]><v:shape id="_x0000_i1038"

type="#_x0000_t75" style='width:225pt;height:180pt'> <v:imagedata src="20BMBaseline_files/image011.png" o:title="CuEdge3"/>

</v:shape><![endif]--><![if !vml]><img width=225 height=180 src="20BMBaseline_files/image012.png" v:shapes="_x0000_i1038"><![endif]><o:p></o:p>

ENERGY CALIBRATION: Zn K data<o:p></o:p>

</div>

<!--[if gte vml 1]><v:shape

id="_x0000_i1046" type="#_x0000_t75" style='width:225pt;height:180pt'> <v:imagedata src="20BMBaseline_files/image013.png" o:title="ZnEdge1"/>

</v:shape><![endif]--><![if !vml]><img width=225 height=180 src="20BMBaseline_files/image014.png" v:shapes="_x0000_i1046"><![endif]> <!--[if gte vml 1]><v:shape id="_x0000_i1047"

type="#_x0000_t75" style='width:225pt;height:180pt'> <v:imagedata src="20BMBaseline_files/image015.png" o:title="ZnEdge3"/>

</v:shape><![endif]--><![if !vml]><img width=225 height=180 src="20BMBaseline_files/image016.png" v:shapes="_x0000_i1047"><![endif]><o:p></o:p>

ENERGY CALIBRATION: Mo K data<o:p></o:p>

</div>

<!--[if gte vml 1]><v:shape id="_x0000_i1048" type="#_x0000_t75"

style='width:187pt;height:181pt'> <v:imagedata src="20BMBaseline_files/image017.gif" o:althref="20BMBaseline_files/image018.emf"
- o:title=""/>

</v:shape><![endif]--><![if !vml]><img width=187 height=181 src="20BMBaseline_files/image019.png" v:shapes="_x0000_i1048"><![endif]> From Steve Heald<o:p></o:p>

ENERGY CALIBRATION: Ag K data<o:p></o:p>

</div>

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id="_x0000_i1049" type="#_x0000_t75" style='width:225pt;height:181pt'> <v:imagedata src="20BMBaseline_files/image020.png" o:title="AgEdge1"/>

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type="#_x0000_t75" style='width:225pt;height:181pt'> <v:imagedata src="20BMBaseline_files/image022.png" o:title="AgEdge2"/>

</v:shape><![endif]--><![if !vml]><img width=225 height=181 src="20BMBaseline_files/image023.png" v:shapes="_x0000_i1050"><![endif]><o:p></o:p>

ENERGY CALIBRATION: Results<o:p></o:p>

</div>

<table border=1 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%;

border-collapse:collapse;border:none;mso-border-alt:solid windowtext .5pt;
mso-padding-alt:0in 5.4pt 0in 5.4pt'> <tr>
- <td width="19%" rowspan=2 valign=top style='width:19.1%;border:solid windowtext .5pt; border-bottom:solid black 1.5pt;padding:0in 5.4pt 0in 5.4pt'> file name<o:p></o:p> </td> <td width="20%" rowspan=2 valign=top style='width:20.14%;border-top:solid windowtext .5pt; border-left:none;border-bottom:solid black 1.5pt;border-right:solid windowtext .5pt; mso-border-left-alt:solid windowtext .5pt;padding:0in 5.4pt 0in 5.4pt'> foil<o:p></o:p>
 </td> <td width="60

xafs.org