<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">We use Dupont Tychem 4000 sleeved apron for general acid. For Phosphoric acid (85%), the normalized break through time is more than 480 minutes.<div class=""><br class=""></div><div class=""><br class=""><div class="">
<div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div dir="auto" style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">Jing Guo Ph.D.</div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">Research Scientist</div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">SEA Cleanroom (SST 017)</div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">Rice University</div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">Houston, TX </div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><a href="mailto:jeanne.guo@rice.edu" class="">jeanne.guo@rice.edu</a></div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">713-348-8227</div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class=""></div><br class="Apple-interchange-newline"></div></div><br class="Apple-interchange-newline"></div><br class="Apple-interchange-newline"><br class="Apple-interchange-newline">
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<div><br class=""><blockquote type="cite" class=""><div class="">On May 16, 2019, at 10:07 AM, Aebersold,Julia W. <<a href="mailto:julia.aebersold@louisville.edu" class="">julia.aebersold@louisville.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
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We use a similar apron, but it has full arm coverage, too. Additional PPE, aside from safety glasses and nitrile gloves, include a face shield and heavy duty chemical resistant gloves when handling these types of chemicals.<br class="">
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Cheers!<br class="">
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Julia Aebersold, Ph.D.<br class="">
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MNTC Cleanroom Manager<br class="">
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University of Louisville<br class="">
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2210 South Brook Street<br class="">
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Shumaker Research Building, Room 233<br class="">
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Louisville, KY 40292<br class="">
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(502) 852-1572<br class="">
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<a href="http://louisville.edu/micronano/" class="">http://louisville.edu/micronano/</a><br class="">
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<div id="divRplyFwdMsg" dir="ltr" class=""><font face="Calibri, sans-serif" style="font-size:11pt" class=""><b class="">From:</b> <a href="mailto:labnetwork-bounces@mtl.mit.edu" class="">labnetwork-bounces@mtl.mit.edu</a> <<a href="mailto:labnetwork-bounces@mtl.mit.edu" class="">labnetwork-bounces@mtl.mit.edu</a>> on behalf of Brandon Woo <<a href="mailto:woobc@lnf.umich.edu" class="">woobc@lnf.umich.edu</a>><br class="">
<b class="">Sent:</b> Wednesday, May 15, 2019 3:40:56 PM<br class="">
<b class="">To:</b> <a href="mailto:labnetwork@mtl.mit.edu" class="">labnetwork@mtl.mit.edu</a><br class="">
<b class="">Subject:</b> [labnetwork] Hot Phosphoric PPE</font>
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<div class="">Hello all,</div>
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<div class="">Does anyone have any recommendations on PPE for processing using hot phosphoric acid?
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<div class="">This is the apron that we are currently using: <a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__www.grainger.com_product_ANSELL-2DChemical-2DResistant-2DBib-2DApron-2D5EMD0&d=DwMFaQ&c=OAG1LQNACBDguGvBeNj18Swhr9TMTjS-x4O_KuapPgY&r=l9C3cuOkWyGd6C0ye_FDTBHMFl4lPXPJztVHQPL_Bao&m=d8gTOXzqu08GKDgSFq-QI-hL9O2VGLBylVo_MvgKhnU&s=Gx0tVyszJJH_TgVPsITBxN8Hc2rPZwb-9X2-dqiJRYQ&e=" class="">
https://www.grainger.com/product/ANSELL-Chemical-Resistant-Bib-Apron-5EMD0</a></div>
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<div class="">Thanks,<br class="">
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<div dir="ltr" class="">Brandon Woo
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<div class="">Engineer in Research Intermediate</div>
<div class="">Lurie Nanofabrication Facility</div>
<div class="">University of Michigan</div>
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<div class="">1234 EECS</div>
<div class="">1301 Beal Ave</div>
<div class="">Ann Arbor, MI, 48105<br class="">
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<div class=""><a href="mailto:woobc@lnf.umich.edu" target="_blank" class="">woobc@lnf.umich.edu</a></div>
<div class="">989-324-0620 (C)</div>
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