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<p class="MsoNormal">DOD offers an electrochemical detection system. I believe your suspicions are correct and the SiD4 will has some level of cross detection and will probably be very close SiH4. We use PS-7’s with assorted electrochemical cartridges in
different areas for different materials. We have 86 of these units deployed within our facility. I have used the chart attached for detection purposes when I don’t have the Propper cartridges available in my mobile detection units.
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<p class="MsoNormal"><b><span style="color:#002060;text-transform:uppercase">Deon D. Collins<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="color:#002060"><br>
<i>FACILITY MANAGER<o:p></o:p></i></span></p>
<p class="MsoNormal"><i><span style="color:#002060">The Grainger College Of Engineering UIUC</span></i><span style="color:#002060"><br>
</span><span style="color:#002060">Holonyak Micro & Nanotechnology Lab</span><span style="color:#1F497D"><br>
</span><span style="color:#13294B">208 N Wright St Rm. 1114 | MC-249</span><span style="color:#1F497D"><br>
</span><span style="color:#13294B">Urbana, IL 61801</span><span style="color:#1F497D"><br>
</span><span style="color:#13294B">217-300-7531 | </span><span style="color:#1F497D"><a href="mailto:deonc69@illinois.edu">deonc69@illinois.edu</a><br>
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<br>
</span><a href="http://illinois.edu/"><span style="color:#1F497D;text-decoration:none"><img border="0" width="119" height="21" style="width:1.2395in;height:.2187in" id="Picture_x0020_1" src="cid:image001.png@01D9F609.A6A3EE00"></span></a><span style="color:#1F497D"><br>
<br>
</span><i><span style="color:#666666">Under the Illinois Freedom of Information Act any written communication to or from university employees regarding university business is a public record and may be subject to public disclosure.
</span></i><span style="color:#002060"><o:p></o:p></span></p>
<p class="MsoNormal"><u><span style="color:#1F497D"><o:p><span style="text-decoration:none"> </span></o:p></span></u></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;color:#A3238B">Life is not about watching other people live it. It’s about you living your own!</span></b><o:p></o:p></p>
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<p class="MsoNormal"><b>From:</b> labnetwork <labnetwork-bounces@mtl.mit.edu> <b>
On Behalf Of </b>Owain Clark<br>
<b>Sent:</b> Tuesday, October 3, 2023 7:50 AM<br>
<b>To:</b> labnetwork@mtl.mit.edu<br>
<b>Subject:</b> [labnetwork] Deuterated Silane detection<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-GB">Dear all, our researchers wish to add a SiD4 (Deuterated silane) line to the facility. Looking at the gas properties it is unsurprisingly incredibly similar to SiH4 as one might expect. And therefore one might also suspect
that a SiH4 gas detection head would have near 100% cross sensitivity to it. However our gas detection system provider (Drager, polytron heads) cannot confirm this and has no data on the subject. Our safety staff are unsurprisingly not keen to proceed on the
basis of “it should work”. <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Does anyone run this gas in their facility and if so would you mind sharing information on your detection system for it? Or if anyone knows of a company that can fabricate a 4-20mA capable gas detection head pre-calibrated
for it? Or as a 3<sup>rd</sup> line of inquiry if anyone knows of a service whereby one of our SiH4 standard polytron heads could be cross-calibrated against SiD4 empirically that would also be of interest.
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<p class="MsoNormal"><span lang="EN-GB">BR, Owain<o:p></o:p></span></p>
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