<div dir="ltr">Mark Heiden,<div>If you are looking for an alternative to 70% 2-propanol consider "wipes". There is a product sold to veterinarians for disinfecting animal cages and surfaces, Pi Quat 20. It is a bacteriacide, fungicide and virucide. I use it in my greenhouse and my plant tissue culture operations. It is composed of 20% quaternary ammonium salts, the specific "quats" and their ratio being identical to the ingredients in Chlorox Disinfecting Wipes but at higher concentration. In addition, Chlorox wipes a small amount of Ethylene glycol monohexyl ether. The Ethylene glycol monohexyl ether presumably acts as a solvent to dissolve oils which might mask surfaces from an aqueous solution. The combined concentration of quats in Chlorox Wipes is 0.368% versus 20% in Pi Quat 20. Attached are SDS .pdf's and appended are photos of Chlorox Wipes.</div><div>Bob Hamilton, </div><div>UC Berkeley - retired</div><div><div><br></div><div><div><img src="cid:ii_ka34534w3" alt="IMG_0027.jpg" width="422" height="562"><br></div><div><br></div><div><br></div><div><div><img src="cid:ii_ka34583x4" alt="IMG_0028.jpg" width="422" height="562"><br></div></div><div><br></div><div>Regards,</div><div>Bob Hamilton</div><div>UC Berkeley NanoLab - retired<br><div><div dir="ltr" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div><div><div><div><div>Robert Hamilton</div></div></div></div></div>Mobile 510-325-7557 (mobile)<br></div>E-mail preferred: <a href="mailto:roberthamilton@berkeley.edu" target="_blank">roberthamilton@berkeley.edu</a><br></div><div>"Every crowd has a silver lining" P.T. Barnum</div><div dir="ltr"><span style="font-family:sans-serif;font-size:14px">🚫 Facebook, Twitter, Instagram, Whatsapp, etc., etc.</span><br></div><div dir="ltr"><div><div><div><div><div><div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div><br></div></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, May 11, 2020 at 1:31 PM Mark Heiden <<a href="mailto:mheiden@engr.ucr.edu" target="_blank">mheiden@engr.ucr.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div lang="EN-US">
<div>
<p class="MsoNormal">Greetings,<u></u><u></u></p>
<p class="MsoNormal">As we all work towards safe re-openings of our labs, what solutions have been discovered for disinfecting live keyboards, mouse, touchscreens etc?<u></u><u></u></p>
<p class="MsoNormal">We are being told it will be a requirement but we obviously can’t spray liquids directly on them and we can’t turn off these tools between uses to disconnect peripherals and reboot?<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Thanks in advance,<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Mark Heiden<u></u><u></u></p>
<p class="MsoNormal">NanoFab Cleanroom Manager<u></u><u></u></p>
<p class="MsoNormal">University of California, Riverside<u></u><u></u></p>
<p class="MsoNormal">951-827-2551<u></u><u></u></p>
<p class="MsoNormal"><a href="https://nanofab.ucr.edu/" target="_blank">https://nanofab.ucr.edu/</a>
<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
</div>
_______________________________________________<br>
labnetwork mailing list<br>
<a href="mailto:labnetwork@mtl.mit.edu" target="_blank">labnetwork@mtl.mit.edu</a><br>
<a href="https://mtl.mit.edu/mailman/listinfo.cgi/labnetwork" rel="noreferrer" target="_blank">https://mtl.mit.edu/mailman/listinfo.cgi/labnetwork</a><br>
</blockquote></div>