[Nhcoll-l] [EXT] whale foetus

Tue Oct 25 11:33:05 EDT 2022

Dear Annika,

You might want to transfer the whale fetus to non-hazardous glycerol 65%.

There are 2 interesting papers about preserving on glycerol:

<file:///Volumes/MacDries%20HDD/ajvandam/Downloads/ICOM-CC_2011_Lisbon_386-1.pdf>https://www.icom-cc-publications-online.org/1090/Migration-mechanism-for-transfer-of-sharks-from-ethanol-to-aqueous-glycerol-solutions

https://www.researchgate.net/publication/355836361_Finding_A_Cure_for_Hazardous_Collections_The_Road_to_Zero_Formaldehyde_and_Ethanol

If you want more info about the procedures, you are welcome to contact me offline.

Kind regards,

Dries

Andries J. van Dam<http://www.linkedin.com/in/andriesvandam> | curator-conservator

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________________________________
Van: Nhcoll-l <nhcoll-l-bounces at mailman.yale.edu> namens Callomon,Paul <prc44 at drexel.edu>
Verzonden: dinsdag 25 oktober 2022 16:52:04
Aan: Valerie Tomlinson; Annika Sander; nhcoll-l at mailman.yale.edu
Onderwerp: [MOGELIJK SPAM ! *****] Re: [Nhcoll-l] [EXT] whale foetus

Where fluid volume is an issue, hanging the specimen vertically in the classic cylindrical jar offers the best ratio of beast to liquid. A high-quality jar will not distort the view optically by much, and having a single gasket and no joints makes sealing much easier.
However: such jars are frighteningly expensive. We keep a Giant Pacific Octopus in a glass Whittall-Tatum jar of 30 cm diameter and 60 cm height (42 liters) that dates from about 100 years ago. If anything happened we could rehouse the octopus in a lidded pail, but could not afford a new jar…

Paul Callomon
Collection Manager, Malacology and General Invertebrates
________________________________
Academy of Natural Sciences of Drexel University
1900 Benjamin Franklin Parkway, Philadelphia PA 19103-1195, USA
prc44 at drexel.edu<mailto:prc44 at drexel.edu> Tel 215-405-5096 - Fax 215-299-1170

From: Nhcoll-l <nhcoll-l-bounces at mailman.yale.edu> On Behalf Of Valerie Tomlinson
Sent: Tuesday, October 25, 2022 10:03 AM
To: Annika Sander <Annika.Sander at vestfoldmuseene.no>; nhcoll-l at mailman.yale.edu
Subject: Re: [Nhcoll-l] [EXT] whale foetus

External.

Hi Anniker
What are your national regulations about volumes of flammable liquids in public areas? I assume this specimen is in ethanol? That may have an influence on the size and type of container you are allowed, and what sort of fume extraction is required in the area, especially if the container is not sealed.
We are presently dealing with redoing a display of wet specimens but are limited by that fact that we are not allowed more than 35L total of ethanol for the available floorspace of the room.
Assuming no such limits on your space, then I think the main issue is that your whale looks a little cramped, and the fluid level is too low, allowing parts to dry out. It’s personal opinion, but I’d go for a slightly larger container in the same orientation, topped up a little higher.
Presumably the volume and mass of liquid requires strong joins at the corners to prevent the container from falling apart. You might get slightly less intrusive corners with a stronger material. Would gasketed steel work better?
That’s my 2 cents.
Valerie Tomlinson

From: Nhcoll-l <nhcoll-l-bounces at mailman.yale.edu<mailto:nhcoll-l-bounces at mailman.yale.edu>> On Behalf Of Annika Sander
Sent: Tuesday, October 25, 2022 9:44 AM
To: nhcoll-l at mailman.yale.edu<mailto:nhcoll-l at mailman.yale.edu>
Subject: [EXT][Nhcoll-l] whale foetus

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Dear all,

First of all, I’m very greatful for this mailinglist and learnt a lot by reading here.

Now to my question

We have a wet specimen, a big whale foetus (app. 70x30cm) in an aquarium like container, which should go to exhibition soon.
The container isn’t tight and not as aesthetic as wanted. Se picture attached.
We really want to get a better solution for exhibiting this specimen.
Which container would you recommend for such a big specimen?
Should it better lie og be in an upright position?

Every comment is appreciated.

Best regards from Norway

Med vennlig hilsen
Annika Sander,
Møbelkonservator NKF-N

Avd. Arkiv og forvaltning
tlf: 981 87 851
e-post: annika.sander at vestfoldmuseene.no<mailto:annika.sander at vestfoldmuseene.no>

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