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<p>Thanks George! It is nice to have our own process but it looks
to me like we could beat Argonne at their own game too.</p>
<p>George</p>
<p><br>
</p>
<br>
<div class="moz-cite-prefix">On 7/27/2017 1:10 PM, George
Kharashvili wrote:<br>
</div>
<blockquote type="cite"
cite="mid:355021734.2395136.1501175442490.JavaMail.zimbra@jlab.org">
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<div>Both <a href="http://www.ne.anl.gov/facilities/leaf/"
target="_blank" moz-do-not-send="true">LEAF</a> at Argonne
and <a href="http://iac.isu.edu/pdf/Cu-67InfoSheet.pdf"
target="_blank" moz-do-not-send="true">Idaho Accelerator
Center</a> use Zn-68(gamma,p)Cu-67, the National Isotope
Development Center only <a
href="https://www.isotopes.gov/catalog/product.php?element=Copper&type=rad&rad_product_index=15"
target="_blank" moz-do-not-send="true">lists</a> the BNL
source, which also uses Zn-68 target, but with proton
spallation. There is also a Texas company <a
href="http://usradiopharma.us/products/copper-67/"
data-mce-href="http://usradiopharma.us/products/copper-67/"
moz-do-not-send="true">USradiopharma</a> that lists
Cu-67 production by Zn-70(p,alpha)Cu-67, but, as far as we
know, they are not producing any. <br>
<br>
LEAF:</div>
<div>Started production of 100 mCi batches this year. Could
increase it to up to 2 Ci per week, but we should keep in
mind that it could only be produced periodically as they
use the same machine for other work as well. I could not
obtain anything like a product fact-sheet, I assume it is
similar to the Idaho one below. Argonne does not sell it
like BNL. My understanding is that one would need to be in
some collaboration with them in order to obtain Cu-67 and
in each case the product may have different SA, purity,
etc.</div>
<div><br>
Idaho Accelerator Center:<br>
Specific Actvity (mass): >10,000 mCi/mg, typically >
20,000 mCi/mg Actvity: 2-100 mCi (delivered)<br>
Available: Weekly<br>
Shipment: Shipped dry chloride form<br>
Packaging: 2ml plastic v-bottom vial, crimp top</div>
<div>Not intended for human use<br>
</div>
<br>
<div>BNL:</div>
<div>
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sans-serif; font-size: 14px; font-style: normal;
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start; text-indent: 0px; text-transform: none;
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-webkit-text-size-adjust: auto;
-webkit-text-stroke-width: 0px;" data-mce-style="color:
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width="100%" border="2">
<tbody>
<tr>
<td align="center"><b>Form</b></td>
<td>Copper (II) in 0.1-1.0 <span
style="text-decoration: underline;"
data-mce-style="text-decoration: underline;">M</span> HCl</td>
</tr>
<tr>
<td align="center"><b>Activity</b></td>
<td>2-12 mCi/ug (specific activity)<br>
>10-20 mCi/mL (concentration), or as<br>
specified by user</td>
</tr>
<tr>
<td align="center"><b>Radiopurity</b></td>
<td>>99% (exclusive of Cu-64); the Cu-64 content
is ~60% upon delivery (48 hours<br>
past EOB)</td>
</tr>
<tr>
<th colspan="2"><i>PRODUCTION</i></th>
</tr>
<tr>
<td align="center"><b>Source</b></td>
<td>Spallation by protons on zinc-68 metal target</td>
</tr>
<tr>
<td align="center"><b>Processing</b></td>
<td>Dissolution, electrochemical deposition, and
ion-exchange</td>
</tr>
<tr>
<th colspan="2"><i>DISTRIBUTION</i></th>
</tr>
<tr>
<td align="center"><b>Shipment</b></td>
<td>Crimp-seal bottle</td>
</tr>
<tr>
<td align="center"><b>Availability</b></td>
<td>Regular production</td>
</tr>
<tr>
<td align="center"><b>Unit of Sale</b></td>
<td>Millicuries</td>
</tr>
</tbody>
</table>
<br>
</div>
<div><br>
--<br>
George Kharashvili<br>
Jefferson Lab Radiation Control<br>
757-269-6435<br>
<br>
----- Original Message -----<br>
From: "George Neil" <a class="moz-txt-link-rfc2396E" href="mailto:neil@jlab.org"><neil@jlab.org></a><br>
To: <a class="moz-txt-link-abbreviated" href="mailto:isotope-prod@jlab.org">isotope-prod@jlab.org</a><br>
Sent: Wednesday, July 26, 2017 5:06:17 PM<br>
Subject: Re: [Isotope-prod] My talk in Quebec<br>
<br>
Do we know anything about the (gamma, n) production
approach that Argonne is using in terms of production
rates, isotopic contamination, purity, etc? Their linac is
1/4 as powerful as LERF and low energy. <br>
<br>
George <br>
<br>
<br>
<br>
On 7/26/2017 4:28 PM, Andrew Hutton wrote: <br>
<br>
<br>
<br>
Everyone<br>
<br>
I will be presenting a talk by our collaboration at the
conference on Accelerator Applications next week in Quebec
(AccApp’17). I have taken the talk which was presented
this week by George Kharashvili to our Science and
Technology Review and added a couple of slides on LERF and
using the Energy Recovery mode. I also added Argonne as a
supplier of Cu67. <br>
<br>
I would welcome any comments you may have. <br>
<br>
Thanks (and a big thanks to George K for doing all the
work)<br>
<br>
Andrew <br>
<br>
<br>
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<br>
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<br>
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