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<div class="moz-cite-prefix">Hi Dakota,<br>
</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">adding to Simon's recommendations it
might also be worth considering twist-off jars if the jars are not
for too long on display; they are surely not as nice but do a good
job if they have tight lids. If you only tilt the jars and not
fully lay them down (i.e. the lids not wetted internally), the
problem of potential leakage from not tightly-fitting lids is
minimised. This could be enhanced by using slightly larger jars
with less fluid but placing the specimens inside the jar in glass
tubes or something similar an positioning them horizontally within
the jar (e.g. by putting small glass stoppers etc. below the lower
part of the specimen.</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">The gallery / exhibition room should
have stable room temperatures and relative humidity.</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">Hope this helps</div>
<div class="moz-cite-prefix">Dirk<br>
</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">Am 24.07.2021 um 13:31 schrieb Simon
Moore:<br>
</div>
<blockquote type="cite"
cite="mid:99C0FAEA-559B-4561-A1B4-2BE1A135A135@btinternet.com">
<pre class="moz-quote-pre" wrap="">Hi Dakota,
If you’re going to tilt jars or lie them on their backs, then you will either need to use perspex-type jars (in which you cannot put alcohol as it softens the polymer!) or you must find an effective sealant The silicone sealants are good but they must ideally have ‘flowable fluid’ on the sealant tube. The other silicones are too dense to make an effective seal for this purpose.
The only problem with this method is that (once it has set - 8 hours) the sealant is difficult to reverse - I have tried a range of likely solvents and the only one that is effective is chloroform! Even that takes about 48 hours, so if anyone (out there) can suggest a better reversing agent, then this would be most useful to know about.
Practice using the sealant (you’ll need a spatula to spread it evenly around the sealed area) first as you have about 1 hour before the lid becomes more difficult to remove.
With all good wishes, Simon
Simon Moore MIScT, RSci, FLS, ACR
Conservator of Natural Sciences and Cutlery Historian,
<a class="moz-txt-link-abbreviated" href="http://www.natural-history-conservation.com">www.natural-history-conservation.com</a>
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">On 23 Jul 2021, at 23:46, Dakota Rowsey <a class="moz-txt-link-rfc2396E" href="mailto:drowsey@asu.edu"><drowsey@asu.edu></a> wrote:
Hello,
I am putting together a small exhibit for our vertebrate collection and am interested in placing a small number of fluid-preserved specimens out on display. I am looking for recommendations for jars that both protect the specimens while on display while also making them more viewable at a variety of angles without distortion of the sides of the jar or obstruction from the lid. The specimens are relatively small and can fit in a 16 fl. oz. jar. Thank you in advance!
Sincerely,
Dakota Rowsey
--
Dakota M. Rowsey, Ph.D. (he/his)
Vertebrate Collections Manager
Portal Manager, Consortium of Small Vertebrate Collections
Arizona State University Biocollections
734 W Alameda Dr.
Tempe, AZ 85282
(480)727-5870
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<pre class="moz-quote-pre" wrap="">
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_______________________________________________
NHCOLL-L is brought to you by the Society for the Preservation of
Natural History Collections (SPNHC), an international society whose
mission is to improve the preservation, conservation and management of
natural history collections to ensure their continuing value to
society. See <a class="moz-txt-link-freetext" href="http://www.spnhc.org">http://www.spnhc.org</a> for membership information.
Advertising on NH-COLL-L is inappropriate.
</pre>
</blockquote>
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