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<div class="moz-cite-prefix">Hi Vanessa,</div>
<div class="moz-cite-prefix">Stölzle Oberglas (but they no longer have jars on stock, only occasionally), or you can contact Gassner Glastechnik in Munich (<a href="https://gassner-glastechnik.de/kontakt/">link</a>); they can customise flanged borosilicate
jars which you can easily (and hermitically) seal with a good, silicone-free ground-stopper grease like Alsirol (<a href="https://www.fishersci.de/shop/products/joint-grease-1/10130201">link</a>)<br>
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<div class="moz-cite-prefix">Neubert (<a href="https://www.neubert-glas.de/laborglas/onlineshop/katalog.php?KATfrom=suche&SearchText=pr%E4parat&struc=1_995727484085_1030342896125_1005301727684_1515949502601&kat=1023362157218&PHPSESSID=1effb50f3b77f3e7035b5480d4f6ce4b">link</a>)
sells DWK Schott jars, but they are usually not too large, and we need a re-seller as museums cannot order directly at DWK (<a href="https://www.dwk.com/duran-museum-jar-with-ground-glass-plate">link</a>)<br>
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<div class="moz-cite-prefix">It might also help if you place the jars into warmer working space rooms for a while, or, as Paul mentioned, put the jar into a shower and try with warm water. Watch any external labels and protect them against soaking.</div>
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<div class="moz-cite-prefix"> Hope this helps</div>
<div class="moz-cite-prefix">Dirk<br>
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<div class="moz-cite-prefix">Am 15.11.2023 um 15:02 schrieb Callomon,Paul:<br>
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<p class="MsoNormal">Hi Vanessa,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Stubborn tapered ground-glass lids like those you show often loosen if you simply pour hot water over them, as the jar neck expands further than the lid. Don’t make the water too hot, though, as the glass could crack – I find hot water
from the tap is usually enough to do the trick.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">Paul Callomon<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">Collection Manager, Malacology and General Invertebrates<i><o:p></o:p></i></span></p>
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<p class="MsoNormal" style="background:white"><b><span style="font-size:12.0pt;color:black">Academy of Natural Sciences of Drexel University</span></b><b><span style="font-size:12.0pt;color:black"><o:p></o:p></span></b></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">1900 Benjamin Franklin Parkway, Philadelphia PA 19103-1195, USA<br>
<i><a href="mailto:prc44@drexel.edu" moz-do-not-send="true"><span style="color:#0563C1">prc44@drexel.edu</span></a> Tel 215-405-5096 - Fax 215-299-1170</i><o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><b>From:</b> Nhcoll-l <a class="moz-txt-link-rfc2396E" href="mailto:nhcoll-l-bounces@mailman.yale.edu">
<nhcoll-l-bounces@mailman.yale.edu></a> <b>On Behalf Of </b>Vanessa Pitusi<br>
<b>Sent:</b> Wednesday, November 15, 2023 2:42 AM<br>
<b>To:</b> <a class="moz-txt-link-abbreviated" href="mailto:nhcoll-l@mailman.yale.edu">
nhcoll-l@mailman.yale.edu</a><br>
<b>Subject:</b> [Nhcoll-l] Large specimen jars need opening - help!<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p><b><span style="font-family:"Arial",sans-serif;font-variant:small-caps;color:black">External.</span></b><b><span style="font-family:"Arial",sans-serif;font-variant:small-caps"><o:p></o:p></span></b></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="color:black;background:white">Hi!</span>
<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in;background:white"><span style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in;background:white"><span style="color:black">I posted the following on a Facebook page for Museum collection managers and was advised to ask here for help. So, any answer would be greatly appreciated!<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in;background:white"><span style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in;background:white"><span style="color:black">I work at the Tromsø Museum (Norway), and we have numerous large and tall glasses containing specimen. The ethanol level on some of them is starting to be low, but we do
not know how all of them were sealed.<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in;background:white"><span style="color:black">Some were sealed with linseed oil putty, which I was advised to open by warming. However, some have no putty but are firmly stuck. Any advice on a good solvent to use to
open those? The Internet tells me something like Xylene could do the job, but just wanted to get some more opinions.<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in;background:white"><span style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in;background:white"><span style="color:black">Secondly, does anyone based in Europe know of any suppliers that make such glasses and lids?<span class="apple-converted-space"> </span><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in;background:white"><span style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in;background:white"><span style="color:black">Photos for reference of size and lids (that I am after).<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in;background:white"><span style="color:black">Kind regards,<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in;background:white"><span style="color:black">Vanessa Pitusi<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in;background:white"><span style="color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="color:black;background:white">Sent from<span class="apple-converted-space"> </span><a href="https://aka.ms/o0ukef" moz-do-not-send="true"><span style="color:#0086F0">Outlook for iOS</span></a></span><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Sent from <a href="https://aka.ms/o0ukef" moz-do-not-send="true">
Outlook for iOS</a><o:p></o:p></p>
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