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<p class="MsoNormal">That’s an interesting idea Joachim. I considered a copper compound because of how copper-y the green color is.
<o:p></o:p></p>
<p class="MsoNormal">Your mentioning it made me realize that I can probably check the tag composition by opening an uncontaminated jar catalogued around the same time and doing some tests on the metal tag (mainly, to see if acid causes a copper precipitate
to form). I know for sure that stainless steel and aluminum are the two most common types. But some tags could have been brass!
<o:p></o:p></p>
<p class="MsoNormal">As a side-note, it’s a minor miracle that we did not open any of these jars (ca. 96 of them have this mercury issue) during our alcohol inventory. We rehoused thousands of specimens into new jars. But in cases where bailtops had good seals
and high alc levels, we generally didn’t reopen them. According to our inventory notes, none of these lots were opened. But the “weird green color” and “corroding tags” are mentioned, and actually those would have been priority lots to rehouse in the next
round of alc inventory work. Good that we caught this now!<o:p></o:p></p>
<p class="MsoNormal">Will report back with results when I have them. Thanks to everyone for the helpful ideas and suggestions so far.
<o:p></o:p></p>
<p class="MsoNormal">-N<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">--<o:p></o:p></span></p>
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<span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#333333"><img width="224" height="45" style="width:2.3333in;height:.4687in" id="Picture_x0020_1" src="cid:image001.png@01DB40CC.F5080090" alt="The Ohio State University"><br>
</span><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#BB0000;background:white">Nathaniel F. Shoobs</span></b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#333333"><br>
Curator of Mollusks<br>
</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#BB0000;background:white">College of Arts & Sciences</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#333333"> Dept. of Evolution, Ecology, and Organismal Biology<br>
Museum of Biological Diversity, 1315 Kinnear Rd, Columbus, OH 43212<br>
614-688-1342 (Office)<br>
<a href="http://mbd.osu.edu"><span style="color:#0563C1;background:white">mbd.osu.edu</span></a></span><span style="font-family:"Aptos",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Aptos",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="color:black">From:
</span></b><span style="color:black">Nhcoll-l <nhcoll-l-bounces@mailman.yale.edu> on behalf of Dirk Neumann <d.neumann@leibniz-lib.de><br>
<b>Date: </b>Wednesday, November 27, 2024 at 1:04 PM<br>
<b>To: </b>Joachim Händel <Joachim.Haendel@zns.uni-halle.de>, nhcoll-l@mailman.yale.edu <nhcoll-l@mailman.yale.edu><br>
<b>Subject: </b>Re: [Nhcoll-l] [EXTERN] Re: Safely rehousing specimens contaminated with mercury / mystery Mercuric chloride reaction</span><span style="font-size:12.0pt;line-height:106%;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:0in;mso-line-height-alt:.75pt"><span style="font-size:1.0pt;color:white">Brass tags - interesting! Knew it would be worth nudging you, Joachim, that would be a very reasonable explanation for the formation of mercury
droplets on the metal tag. Concur with reasoning for the green colour stain. All the best Dirk Am<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:normal">Brass tags - interesting!<span style="font-size:12.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal">Knew it would be worth nudging you, Joachim, that would be a very reasonable explanation for the formation of mercury droplets on the metal tag.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Concur with reasoning for the green colour stain.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">All the best<o:p></o:p></p>
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<p class="MsoNormal">Dirk<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">Am 27.11.2024 um 10:44 schrieb Joachim Händel:<o:p></o:p></p>
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<p>Hi Nate,<br>
I suspect the same as Dirk - thanks for quoting.<o:p></o:p></p>
<p>It is possible that the tag is not made of aluminium, but of brass.<br>
This is also non-magnetic and possibly the copper from it could react with the mercuric chloride, producing mercury and copper chloride, which could also cause the green colouring.<br>
But that's just a guess.<o:p></o:p></p>
<p>All the best<br>
Joachim<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#949494"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#949494">-- </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#949494">Joachim Haendel</span><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 style="font-family:"Arial",sans-serif;color:#949494">Center of Natural Science Collections<br>
of the Martin Luther University (ZNS)<br>
- Entomological Collection -<br>
<br>
Domplatz 4<br>
D-06099 Halle (Saale)<br>
Germany<br>
<br>
Phone: +49 345 - 55 26 447<br>
Email: <a href="mailto:joachim.haendel@zns.uni-halle.de">joachim.haendel@zns.uni-halle.de</a></span><o:p></o:p></p>
</div>
</div>
</div>
<div id="GroupWiseSection_1732700531575_Joachim.Haendel@zns.uni-halle.de_659232D005F00000BEC929790EDC4731_">
<p class="MsoNormal"><br>
<span class="groupwisereplyheader">>>> Dirk Neumann <a href="mailto:d.neumann@leibniz-lib.de">
<d.neumann@leibniz-lib.de></a> 25.11.2024, 18:40 >>></span><o:p></o:p></p>
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<p class="MsoNormal">Hi Nate,<o:p></o:p></p>
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<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">corrosive sublimate was a common "enhancer" to increase the preservative strength of ethanol; John probably covered this in his email already. <o:p></o:p></p>
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<div>
<p class="MsoNormal"> <o:p></o:p></p>
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<div>
<p class="MsoNormal">Sublimate (mercury-II-chloride, Hg Cl2) was a common additive for the preservation invertebrates; see Piechocki, Makroskopische Präparationstechnik Wirbellose:
<a href="https://urldefense.com/v3/__https:/www.schweizerbart.de/publications/detail/isbn/9783510652310/Piechocki_Handel_Makroskopische_Prapara?l=EN__;!!KGKeukY!2pBnCmPa2i0AzM9hjOJ4jzp2UkOJYVLL-cPbaS1rhQSXBDmbMP59iOW-DDs-DKyZ5geUk-t-uDMGoPv__SuLcQgXZg$">
https://www.schweizerbart.de/publications/detail/isbn/9783510652310/Piechocki_Handel_Makroskopische_Prapara?l=EN</a><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Joachim Händel noted on earlier posts here on NHColl dealing with mercury that a simple test would be to put a copper coin or copper wire into the fluid; in presence of sublimate, a silver mercury layer should form on the copper. He might
add if I am referring wrongly to his advise.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Depending on the specimens, it might not be easy to remove the mercury completely; the easiest would be to carefully remove the specimens without disturbing too much of the mercury deposits, but for sure there is additional mercury/sublimate
in the specimens, which will be difficult to remove (especially in invertebrates).<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">At the second fluid preservation symposium in La Chaux-de-Fonds, Celine Stoffel, a colleague from the Natural History Collection in Lausanne, Switzerland, had an interesting approach to handle such an situation: knowing that she cannot
get rid of the contaminants, she marked the jar accordingly informing all potential people that might handle the specimen in the future that the preservation fluid is contaminated.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Maybe this helps<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Dirk<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
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<div>
<p class="MsoNormal">Am 25.11.2024 um 17:27 schrieb Shoobs, Nate:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<div>
<div>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hey Tom,<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The “floating around” was more of a casual figure of speech than a technical description. The beads were initially noticed adhering to the cotton cheesecloth bags which hold the
soft bodies of individually numbered specimens, and upon shaking the jar these droplets/beads fall to the bottom and coalesce. They are certainly denser than the surrounding ethanol.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">John Simmons sent me a copy of his article on mercury in wet specimens from the NHMW in Vienna [Collection Forum 2007; 22(1-2):32-36]. In that paper, the authors indicate that the
only metal that would be liquid at slightly below room temperature is mercury. The temp of one jar in our collection this morning is 20.1º C. At that temperature, gallium or a gallium alloy would be solid (though some reading suggests there are some gallium
alloys that have lower melting points, I don’t have any reason to think these would be present in the sample).<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The evidence from the preparator’s dissertation that mercuric chloride was used to prep the specimens in question points to the substance being mercury that fell out of solution.
The questions are – what reaction took place, and what are the potentially harmful products of that or subsequent reactions?<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">-Nate<o:p></o:p></p>
</div>
<div id="ms-outlook-mobile-signature">
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:9.0pt;line-height:106%;font-family:"Arial",sans-serif;color:#333333;background:white">-<br>
</span><strong><span style="font-size:9.0pt;line-height:106%;font-family:"Arial",sans-serif;color:#BB0000;background:white">Nathaniel F. Shoobs, </span></strong><span style="font-size:9.0pt;line-height:106%;font-family:"Arial",sans-serif;color:#333333;background:white">Curator
of Mollusks</span><o:p></o:p></p>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:9.0pt;line-height:106%;font-family:"Arial",sans-serif;color:#BB0000;background:white">College of Arts & Sciences </span><span style="font-size:9.0pt;line-height:106%;font-family:"Arial",sans-serif;color:#333333;background:white">Dept.
of Evolution, Ecology, and Organismal Biology, The Ohio State University<br>
Museum of Biological Diversity</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:9.0pt;line-height:106%;font-family:"Arial",sans-serif;color:#333333;background:white">1315 Kinnear Rd, Columbus, OH 43212<br>
614-688-1342 (Office)<br>
<a href="http://mbd.osu.edu/"><span style="color:#0563C1">mbd.osu.edu</span></a></span><o:p></o:p></p>
</div>
</div>
</div>
<div class="MsoNormal" align="center" style="text-align:center">
<hr size="0" width="78%" align="center">
</div>
<div id="divRplyFwdMsg">
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><strong><span style="font-family:"Calibri",sans-serif;color:black">From:</span></strong><span style="color:black"> Nhcoll-l
<a href="mailto:nhcoll-l-bounces@mailman.yale.edu"><nhcoll-l-bounces@mailman.yale.edu></a> on behalf of Tom Schiøtte
<a href="mailto:tschioette@snm.ku.dk"><tschioette@snm.ku.dk></a><br>
<strong><span style="font-family:"Calibri",sans-serif">Sent:</span></strong> Monday, November 25, 2024 4:01:34 AM<br>
<strong><span style="font-family:"Calibri",sans-serif">To:</span></strong> <a href="mailto:nhcoll-l@mailman.yale.edu">
nhcoll-l@mailman.yale.edu</a> <a href="mailto:nhcoll-l@mailman.yale.edu"><nhcoll-l@mailman.yale.edu></a><br>
<strong><span style="font-family:"Calibri",sans-serif">Subject:</span></strong> Re: [Nhcoll-l] Safely rehousing specimens contaminated with mercury / mystery Mercuric chloride reaction</span><o:p></o:p></p>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
</div>
</div>
<div>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:1.0pt;line-height:106%;color:white">Hi Nate, I am no chemist, but I wonder about your initial statement that the silvery beads were ‘floating around in the
alcohol’. Do you mean on the bottom of the jar? Mercury weighs 13.</span><span style="font-size:1.0pt;line-height:106%;font-family:"Arial",sans-serif;color:white"> </span><span style="font-size:1.0pt;line-height:106%;color:white">5 g/cm3. Best Tom Tom Schiøtte
Collection manager,</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
</div>
<div>
<p class="xmsonormal"><span style="color:#1F497D">Hi Nate,</span><o:p></o:p></p>
<p class="xmsonormal"><span style="color:#1F497D">I am no chemist, but I wonder about your initial statement that the silvery beads were ‘floating around in the alcohol’. Do you mean on the bottom of the jar? Mercury weighs 13.5 g/cm3.</span><o:p></o:p></p>
<p class="xmsonormal"><span style="color:#1F497D">Best</span><o:p></o:p></p>
<p class="xmsonormal"><span style="color:#1F497D">Tom</span><o:p></o:p></p>
<p class="xmsonormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="xmsonormal"><strong><span style="font-family:"Calibri",sans-serif;color:#1F497D">Tom Schiøtte</span></strong><o:p></o:p></p>
<p class="xmsonormal"><strong><span style="font-family:"Calibri",sans-serif;color:#1F497D"> </span></strong><o:p></o:p></p>
<p class="xmsonormal"><strong><span style="font-family:"Calibri",sans-serif;color:#1F497D">Collection manager, Echinodermata & Mollusca</span></strong><o:p></o:p></p>
<p class="xmsonormal"><strong><span style="font-family:"Calibri",sans-serif;color:#1F497D">Natural History Museum of Denmark (Zoology)</span></strong><o:p></o:p></p>
<p class="xmsonormal"><strong><span lang="DA" style="font-family:"Calibri",sans-serif;color:#1F497D">Universitetsparken 15</span></strong><o:p></o:p></p>
<p class="xmsonormal"><strong><span lang="DA" style="font-family:"Calibri",sans-serif;color:#1F497D">DK 2100 Copenhagen OE</span></strong><o:p></o:p></p>
<p class="xmsonormal"><strong><span lang="DA" style="font-family:"Calibri",sans-serif;color:#1F497D"> </span></strong><o:p></o:p></p>
<p class="xmsonormal"><strong><span lang="DA" style="font-family:"Calibri",sans-serif;color:#1F497D">+45 35 32 10 48</span></strong><o:p></o:p></p>
<p class="xmsonormal"><strong><span lang="DA" style="font-family:"Calibri",sans-serif;color:#1F497D"><a href="mailto:TSchioette@snm.ku.dk">TSchioette@snm.ku.dk</a></span></strong><o:p></o:p></p>
<p class="xmsonormal"><span lang="DA" style="color:#1F497D"> </span><o:p></o:p></p>
<p class="xmsonormal"><span lang="DA" style="color:#1F497D"> </span><o:p></o:p></p>
<p class="xmsonormal"><span lang="DA" style="color:#1F497D"> </span><o:p></o:p></p>
<div>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="xmsonormal"><strong><span style="font-family:"Calibri",sans-serif">From:</span></strong> Nhcoll-l
<a href="mailto:nhcoll-l-bounces@mailman.yale.edu"><nhcoll-l-bounces@mailman.yale.edu></a>
<strong><span style="font-family:"Calibri",sans-serif">On Behalf Of </span></strong>Shoobs, Nate<br>
<strong><span style="font-family:"Calibri",sans-serif">Sent:</span></strong> 22. november 2024 20:30<br>
<strong><span style="font-family:"Calibri",sans-serif">To:</span></strong> <a href="mailto:nhcoll-l@mailman.yale.edu">
nhcoll-l@mailman.yale.edu</a><br>
<strong><span style="font-family:"Calibri",sans-serif">Subject:</span></strong> [Nhcoll-l] Safely rehousing specimens contaminated with mercury / mystery Mercuric chloride reaction<o:p></o:p></p>
</div>
</div>
<p class="xmsonormal"> <o:p></o:p></p>
<p class="xmsonormal">A question for the chemists in the room:<o:p></o:p></p>
<p class="xmsonormal"> <o:p></o:p></p>
<p class="xmsonormal">In examining a jar of freshwater bivalves from our wet collection, a student and I noticed that there were small silvery beads floating around in the alcohol. Upon closer inspection, we realized that these beads were actually liquid –
to my eye, it looks and acts like elemental mercury (the droplets readily coalesce and break apart, are silvery white, and denser than the surrounding alcohol).<o:p></o:p></p>
<p class="xmsonormal"> <o:p></o:p></p>
<p class="xmsonormal">Here’s what we know about the contents of the jar:<o:p></o:p></p>
<ul type="disc">
<li class="xmsonormal" style="mso-list:l4 level1 lfo1">I figured the fixative used on these specimens contained a mercury compound, and found this information, in the doctoral dissertation of the preparator of the sample:
<o:p></o:p></li></ul>
<ul type="disc">
<ul type="circle">
<li class="xmsonormal" style="mso-list:l0 level2 lfo2">“ The entire body of each animal was fixed whole, usually in FSA fixative (40 g mercuric chloride, 50 ml glacial acetic acid, 200 ml. commercial formalin, 800 ml distilled water) (Movat, 1953). After 24
hours In this fixative, the soft parts were rinsed In tap water and dehydrated in 50%, 70%, and 80% ethanol. They were stored In 80% ethanol until needed.”
<o:p></o:p></li></ul>
</ul>
<ul type="disc">
<li class="xmsonormal" style="mso-list:l1 level1 lfo3">The specimens are currently, to the best of my knowledge, stored in a solution of “AGW”: (75% nondenatured ethanol, 3% glycerine, 22% distilled water).
<o:p></o:p></li><li class="xmsonormal" style="mso-list:l1 level1 lfo3">There is a metal tag, either steel or aluminum, in the jar, which is disintegrating, turning green, and forming many small grey tube-shaped tendrils of precipitate.
<o:p></o:p></li></ul>
<ul type="disc">
<ul type="circle">
<li class="xmsonormal" style="mso-list:l3 level2 lfo4">The tag is not magnetic, but I don’t know if that’s because it has completely reacted, or because it is aluminum. I know that aluminum + water in the presence of ethanol tends to form Aluminum hydroxide,
but this precipitate does not appear to be. It was curatorial practice from 1960-2019 to include a metal embossed tag with the cat number in wet lots, but I abolished this practice because of the tendency of metal to react with the preservatives.
<o:p></o:p></li></ul>
</ul>
<ul type="disc">
<li class="xmsonormal" style="mso-list:l2 level1 lfo5">It seems evident that because there is free mercury in the jar, the mercuric chloride reacted with something in the jar. The green tinge in the alcohol makes me think that that reaction yielded some amount
of chlorine gas, as well. <o:p></o:p></li></ul>
<p class="xmsolistparagraph"> <o:p></o:p></p>
<p class="xmsonormal">These are important voucher specimens, and ideally I’d like to figure out a way to safely rehouse them and keep them long term, but if there is no way to ensure they aren’t a health hazard going forward, I will contact our EHS department
to coordinate disposal. Does anyone have any experience with a situation like this?<o:p></o:p></p>
<p class="xmsonormal"> <o:p></o:p></p>
<p class="xmsonormal">Obviously I am not opening the jars or letting anyone else near them until I can figure out what reaction(s) took place in the jar. And unfortunately, this is one jar of a few dozen 1~3 liter Le Parfait bail top jars prepared by this researcher.<o:p></o:p></p>
<p class="xmsonormal"> <o:p></o:p></p>
<p class="xmsonormal">-Nate<o:p></o:p></p>
<div>
<p class="xmsonormal"><span style="font-size:9.0pt;line-height:106%;font-family:"Arial",sans-serif">--</span><o:p></o:p></p>
<p class="xmsolistparagraph" style="line-height:13.5pt;background:white"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#333333"><img border="0" width="224" height="45" style="width:2.3333in;height:.4687in" id="x_Picture_x0020_1" src="cid:part1.it2H8vYs.pl0gLWHs@leibniz-lib.de" alt="Image"><br>
</span><strong><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#BB0000;background:white">Nathaniel F. Shoobs</span></strong><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#333333"><br>
Curator of Mollusks<br>
</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#BB0000;background:white">College of Arts & Sciences</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#333333"> Dept. of Evolution, Ecology, and Organismal Biology<br>
Museum of Biological Diversity, 1315 Kinnear Rd, Columbus, OH 43212<br>
614-688-1342 (Office)<br>
<a href="http://mbd.osu.edu/"><span style="color:#0563C1;background:white">mbd.osu.edu</span></a></span><o:p></o:p></p>
</div>
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<p class="MsoNormal" style="mso-margin-top-alt:auto"><strong><span style="font-family:"Source Sans Pro",sans-serif">****</span></strong><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto"><strong><span style="font-family:"Source Sans Pro",sans-serif"> </span></strong><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto"><strong><span style="font-family:"Source Sans Pro",sans-serif">Dirk Neumann</span></strong><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto"><span style="font-family:"Source Sans Pro",sans-serif">Collection Manager, Hamburg</span><o:p></o:p></p>
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Vorsitzender des Stiftungsrates: Dr. Michael Wappelhorst</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;line-height:106%;font-family:"Source Sans Pro",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal">-- <br>
Stiftung Leibniz-Institut zur Analyse des Biodiversitätswandels<br>
Postanschrift: Adenauerallee 127, 53113 Bonn, Germany<br>
<br>
Stiftung des öffentlichen Rechts;<br>
Generaldirektion: Prof. Dr. Bernhard Misof (Generaldirektor), Adrian Grüter (Kaufm. Geschäftsführer)<br>
Sitz der Stiftung: Adenauerallee 160 in Bonn<br>
Vorsitzender des Stiftungsrates: Dr. Michael Wappelhorst<o:p></o:p></p>
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<p><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-bottom:0in;line-height:normal">-- <span style="font-size:12.0pt;font-family:"Aptos",sans-serif">
<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><b><span style="font-family:"Source Sans Pro",sans-serif">****</span></b><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><b><span style="font-family:"Source Sans Pro",sans-serif"> </span></b><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><b><span style="font-family:"Source Sans Pro",sans-serif">Dirk Neumann</span></b><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><span style="font-family:"Source Sans Pro",sans-serif">Collection Manager, Hamburg</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><span style="font-family:"Source Sans Pro",sans-serif"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><span style="font-family:"Source Sans Pro",sans-serif">Postal address:</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><b><span style="font-family:"Source Sans Pro",sans-serif">Museum of Nature Hamburg</span></b><span style="font-family:"Source Sans Pro",sans-serif"><br>
<span style="color:#008669">Leibniz Institute for the Analysis</span></span><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><span style="font-family:"Source Sans Pro",sans-serif;color:#008669">of Biodiversity Change</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><span style="font-family:"Source Sans Pro",sans-serif">Dirk Neumann</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><span style="font-family:"Source Sans Pro",sans-serif">Martin-Luther-King-Platz 3</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><span style="font-family:"Source Sans Pro",sans-serif">20146 Hamburg<br>
+49 40 238 317 – 628</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><u><span style="font-family:"Source Sans Pro",sans-serif;color:blue"><a href="mailto:d.neumann@leibniz-lib.de">d.neumann@leibniz-lib.de</a></span></u><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><span class="MsoHyperlink"><span style="font-family:"Source Sans Pro",sans-serif">www.leibniz-lib.de</span></span><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><span style="font-size:10.0pt;font-family:"Source Sans Pro",sans-serif"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><span style="font-size:10.0pt;font-family:"Source Sans Pro",sans-serif">--
<br>
Stiftung Leibniz-Institut zur Analyse des Biodiversitätswandels<br>
Postanschrift: Adenauerallee 127, 53113 Bonn, Germany<br>
<br>
Stiftung des öffentlichen Rechts;<br>
Generaldirektion: Prof. Dr. Bernhard Misof (Generaldirektor), Adrian Grüter (Kaufm. Geschäftsführer)<br>
Sitz der Stiftung: Adenauerallee 160 in Bonn<br>
Vorsitzender des Stiftungsrates: Dr. Michael Wappelhorst</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;line-height:106%;font-family:"Source Sans Pro",sans-serif"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:0in;line-height:normal"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif">--
<br>
Stiftung Leibniz-Institut zur Analyse des Biodiversitätswandels<br>
Postanschrift: Adenauerallee 127, 53113 Bonn, Germany<br>
<br>
Stiftung des öffentlichen Rechts;<br>
Generaldirektion: Prof. Dr. Bernhard Misof (Generaldirektor), Adrian Grüter (Kaufm. Geschäftsführer)<br>
Sitz der Stiftung: Adenauerallee 160 in Bonn<br>
Vorsitzender des Stiftungsrates: Dr. Michael Wappelhorst<o:p></o:p></span></p>
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