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<p class="MsoNormal"><span style="font-family:"Aptos",sans-serif">I tried a poultice in a similar situation. Sad to say, while it may have lifted the marker a bit, it was still very much there, having soaked well into the porous material. It’s worth a try
though. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Aptos",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:black">Marilyn Fox (<a href="mailto:marilyn.fox@yale.edu" title="mailto:marilyn.fox@yale.edu"><span style="color:#0078D4">marilyn.fox@yale.edu</span></a>)<br>
Chief Preparator (retired)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">Division of Vertebrate Paleontology<br>
Yale Peabody Museum <br>
170 Whitney Avenue</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">New Haven CT 06511</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> <br>
(mailing address)<br>
P O Box 208118<br>
New Haven CT USA 06520-8118</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">Nhcoll-l <nhcoll-l-bounces@mailman.yale.edu> on behalf of "Anderson, Gretchen" <AndersonG@CarnegieMNH.Org><br>
<b>Date: </b>Friday, June 7, 2024 at 12:40 PM<br>
<b>To: </b>William Poly <wpoly@calacademy.org>, Gali Beiner <gali.beiner@mail.huji.ac.il><br>
<b>Cc: </b>NHCOLL-new <Nhcoll-l@mailman.yale.edu><br>
<b>Subject: </b>Re: [Nhcoll-l] Marker on bone<o:p></o:p></span></p>
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<p class="MsoNormal">Have you tried acetone? It might help. Each type of ink is affected by different solvents.
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One trick is to create a poultice. Dampen a small piece of cotton with your solvent (for example ethanol since that is working). Place the cotton over the number and cover it with tin foil or plastic wrap – something to keep it from evaporating. Leave it.
The time depends on how long it takes for the ink to solubilize. If the solvent is working, the cotton will absorb the ink. You may not be able to get all of the ink out. Bone is porous and the ink will likely have stained. Therefore, we usually recommend
putting a barrier layer (eg. B-72) down prior to marking any object. <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Gretchen Anderson<o:p></o:p></p>
<p class="MsoNormal">Gretchen Anderson (she, her)<o:p></o:p></p>
<p class="MsoNormal">Conservator<o:p></o:p></p>
<p class="MsoNormal">Carnegie Museum of Natural History<o:p></o:p></p>
<p class="MsoNormal"><a href="mailto:AndersonG@CarnegieMNH.Org"><span style="color:#0563C1">AndersonG@CarnegieMNH.Org</span></a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><img border="0" width="189" height="115" style="width:1.9687in;height:1.1979in" id="Picture_x0020_2" src="cid:image001.png@01DAB8DD.F2855B00" alt="Logos"><o:p></o:p></p>
<p class="MsoNormal">Instructor <o:p></o:p></p>
<p class="MsoNormal">Preventive Conservation, IPM, Museum Housekeeping<o:p></o:p></p>
<p class="MsoNormal">Museum Study LLC<o:p></o:p></p>
<p class="MsoNormal"><a href="https://www.museumstudy.com/"><span style="color:#0563C1">Museum Study online professional development - Home</span></a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> Nhcoll-l <nhcoll-l-bounces@mailman.yale.edu> <b>
On Behalf Of </b>William Poly<br>
<b>Sent:</b> Friday, June 7, 2024 12:27 PM<br>
<b>To:</b> Gali Beiner <gali.beiner@mail.huji.ac.il><br>
<b>Cc:</b> NHCOLL-new <Nhcoll-l@mailman.yale.edu><br>
<b>Subject:</b> Re: [Nhcoll-l] Marker on bone<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi Gali,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I've found that a strong ethanol solution (70-100%) strips permanent marker from many surfaces.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Cheers,<o:p></o:p></p>
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<p class="MsoNormal">Bill<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Wed, May 1, 2024 at 3:30 AM Gali Beiner <<a href="mailto:gali.beiner@mail.huji.ac.il">gali.beiner@mail.huji.ac.il</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">Dear NHColl-listers, <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I'm having the bad luck of having to remove an old number written directly onto the many bones of an entire skeleton with a black marker, which is proving to be far too permanent. Those of you familiar with such tasks won't be surprised
to hear that the only thing with any effect at all is ethanol, but that even so the number is still very much there. I'm hoping maybe people here have some tricks up their sleeve that I haven't tried yet in effort to remove the marker off the bones. Suggestions,
anyone? <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Best wishes, <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Gali <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> <br clear="all">
<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span class="gmailsignatureprefix">-- </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif;color:navy;border:solid windowtext 1.0pt;padding:0in"><img border="0" width="295" height="590" style="width:3.0729in;height:6.1458in" id="_x0000_i1025" src="cid:~WRD0000.jpg" alt="Image removed by sender."></span><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif;color:navy">Gali
Beiner (ACR)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif;color:navy">Conservator, Palaeontology Lab</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:navy">National Natural History Collections</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:navy">The Hebrew University of Jerusalem
<br>
Berman Building, Edmond J. Safra campus, Givat Ram<br>
Jerusalem 91904, Israel<br>
Fax. 972-2-6585785<br>
</span><u><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:blue"><a href="mailto:gali.beiner@mail.huji.ac.il" target="_blank" title="blocked::mailto:rivka@vms.huji.ac.il">gali.beiner@mail.huji.ac.il</a></span></u><o:p></o:p></p>
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