[Nhcoll-l] Fluid preservation jar lids

[Bentley, Andrew Charles]

Joosep

We have been using a polyester fiber fill (https://www.amazon.com/Fairfield-Poly-Premium-Fiber-32-Ounce/dp/B004ALQ0M2) for small tubes in our various collections for some time.  Cork and rubber break down over time in contact with ethanol and should be avoided.  It has the advantage of not wadding up like cotton wool does while providing a porous barrier for exchange of alcohol and being inert and not affected by alcohol or formalin over time.  It is very inexpensive and available at most hobby or craft stores or online.

Hope that helps

Andy
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Andy Bentley
Ichthyology Collection Manager
University of Kansas
Biodiversity Institute
Dyche Hall
1345 Jayhawk Boulevard<x-apple-data-detectors://9/>
Lawrence, KS, 66045-7561<x-apple-data-detectors://9/>
USA<x-apple-data-detectors://9/>

Tel: (785) 864-3863<tel:%28785%29%20864-3863>
Fax: (785) 864-5335<tel:%28785%29%20864-5335>
Email: abentley at ku.edu<mailto:abentley at ku.edu>
ORCID: https://orcid.org/0000-0002-3093-1258
http://ichthyology.biodiversity.ku.edu<http://ichthyology.biodiversity.ku.edu/>
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From: Nhcoll-l <nhcoll-l-bounces at mailman.yale.edu> On Behalf Of Joosep Sarapuu
Sent: Tuesday, August 16, 2022 3:39 AM
To: nhcoll-l at mailman.yale.edu
Subject: [Nhcoll-l] Fluid preservation jar lids

Dear all,
We would like to know which lid is the best for small jars for fluid specimens. We have an idea that when we collect (for excample small coastal specimens) in the same area and same date we can sort them out in the small jars and place small jars in the big jar (like in the picture) to save space and it will be comfortable to manage these. We will put alcohol in both jars, the small ones and big one also. But right now we do not know which is the best way to close the small jars to prevent specimens to fall out. Is some kind of cotton, or plastic or something else the best. Can somebody help us?

Sincerely,
Joosep Sarapuu
Estonian Natural History Museum
59031393

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