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<p>Hi Aimee,</p>
<p>When we originally purchased our electroplating bench, we set it
up with sulfite-based gold and sulfamate-based nickel solutions
from Technic Inc. While the Nickel was and is heavily used, the
gold was not. After a couple of years the solution became
unstable and we think that the gold precipitated out of the
solution. We still aren't entirely sure where it all went. Some
of it coated everything in the bath and some of it probably ended
up in the filter. It has been difficult to try to recover and we
basically lost ~$10k in gold. If you're going to setup plating
for gold, I would either go with low quantities in a small bath or
make sure you have the demand to justify the cost.</p>
<p>Thanks,<br>
Nathanael<br>
</p>
<br>
<div class="moz-cite-prefix">On 2018-10-31 12:54 PM, Price, Aimee
wrote:<br>
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<p class="MsoNormal">Lab Network colleagues,<o:p></o:p></p>
<p class="MsoNormal">Do you perform electroplating (specifically
Au) in your facilities? If not, do you send out or direct
your users to any external services that do so?
Recommendations welcome, you can send directly to me if we
aren’t allowed to recommend specific companies to
<a class="moz-txt-link-abbreviated" href="mailto:price.798@osu.edu">price.798@osu.edu</a>.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">We have stayed away from a general use
plating capability due to the low volumes that we’d have.
Additionally, we are not set up to deal with the cyanide based
solutions in a single use setup, so we’ve disallowed that
here. Other options have been allowed, but I’m looking for a
solution (pardon the pun, unintended) for my users who need Au
or other plating. We have plated Ag with not much success in
the past. While it did in fact plate, it wasn’t very uniform
or high quality.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks much.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Aimee Bross Price<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Sr. Research Associate <o:p></o:p></p>
<p class="MsoNormal">The Ohio State University<o:p></o:p></p>
<p class="MsoNormal">Nanotech West Lab<o:p></o:p></p>
<p class="MsoNormal">Institute for Materials Research<o:p></o:p></p>
<p class="MsoNormal">1381 Kinnear Road<o:p></o:p></p>
<p class="MsoNormal">Suite 100<o:p></o:p></p>
<p class="MsoNormal">Columbus, OH 43212<o:p></o:p></p>
<p class="MsoNormal">614-292-2753<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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