[Nhcoll-l] Large specimen jars need opening - help!

[Vanessa Pitusi]

Hi!

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!

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.
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.

Secondly, does anyone based in Europe know of any suppliers that make such glasses and lids?

Photos for reference of size and lids (that I am after).

Kind regards,
Vanessa Pitusi

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