[Nhcoll-l] glass storage for fluid collections

[Dirk Neumann]

A bit late, but I agree with John; we have recently seen borosilicate 
twist-off jars which are apparently produced in China and are rather 
expensive compared when the enter the market in Europe - compared to 
normal (soda-lime) glass jars used produced for food industry. The main 
issue is (and John likely referred to this) that the glass wall 
especially at the bottom of some those jars was very very thin, leading 
to spontaneous cracking of jars when filled and lifted up or after jars 
where placed on shelves in the storage area.

All the best
Dirk


Am 05.09.2019 um 21:07 schrieb John E Simmons:
> It is important to find out where the glass is manufactured, and make 
> sure they send you a sample of each size to test. There is a lot of 
> glassware entering the market from China and other countries that is 
> not properly annealed and thus much more fragile than the soda-lime 
> glass we are all used to.
>
> --John
>
> John E. Simmons
> Writer and Museum Consultant
> Museologica
> /and/
> Associate Curator of Collections
> Earth and Mineral Science Museum & Art Gallery
> Penn State University
> /and/
> Investigador Asociado, Departamento de Ornitologia
> Museo de Historia Natural, Universidad Nacional Mayor de San Marcos, Lima
>
>
> On Thu, Sep 5, 2019 at 2:22 PM Gartner, Heidi RBCM:EX 
> <HGartner at royalbcmuseum.bc.ca <mailto:HGartner at royalbcmuseum.bc.ca>> 
> wrote:
>
>     Hello,
>
>     I’ve recently sourced a new potential provider for glass jars for
>     our fluid collection.  However, the cost is so cheap I am suspect
>     of the quality of the jars.  I’ve asked them to send some spec
>     sheets and I am wondering what the best features for long term
>     storage that I should look for?  Is soda lime glass acceptable?
>
>     Thank you for the feedback or direction to recent resources!
>
>     *______________________________________________________________________________________________*
>
>     *Heidi Gartner, M.Sc. *Collection Manager and Researcher,
>     Invertebrates  |  Collections, Care and Conservation
>
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-- 
Dirk Neumann

Tel: 089 / 8107-111
Fax: 089 / 8107-300
*new email: neumann(a)snsb.de*

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Staatliche Naturwissenschaftliche Sammlungen Bayerns
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Dirk Neumann, Sektion Ichthyologie / DNA-Storage
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81247 München

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---------

Dirk Neumann

Tel: +49-89-8107-111
Fax: +49-89-8107-300
*new email: neumann(a)snsb.de*

postal address:

Bavarian Natural History Collections
The Bavarian State Collection of Zoology
Dirk Neumann, Section Ichthyology / DNA-Storage
Muenchhausenstr. 21
81247 Munich (Germany)

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