[Nhcoll-l] Blu-tak on specimens

Tue Apr 20 08:32:40 EDT 2021

Hi Melissa,

just to chip-in to what Paul said: archaeozoolgy colleagues use small 
boxes and contrasting sand for the positioning of fragile bones and 
artefacts; works in the lab and in the field.

With best wishes
Dirk

Am 20.04.2021 um 14:10 schrieb Callomon,Paul:
>
> Hi Melissa,
>
> Contrary to its makers’ assertions, Blu-tak bleeds oil and stains 
> anything it touches. The same is true of modeling clay, plasticine, 
> putty and anything that remains pliable in air.
>
> We worked on this problem for some while and concluded that the only 
> method for holding specimens that won’t leave a residue is a scaleable 
> mechanical holder. You can read about the one we came up with here:
>
> https://www.researchgate.net/publication/347950720_A_simple_system_for_holding_mollusk_shells_and_other_small_objects_for_photography 
> <https://www.researchgate.net/publication/347950720_A_simple_system_for_holding_mollusk_shells_and_other_small_objects_for_photography>
>
> We also use black sand or felt bags full of lead shot to prop larger 
> things up in the desired position. Both work well.
>
> 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 
> *Melissa Holt
> *Sent:* Monday, April 19, 2021 7:57 PM
> *To:* nhcoll-l at mailman.yale.edu
> *Subject:* [Nhcoll-l] Blu-tak on specimens
>
> *External.*
>
> Hi all,
>
> I was looking for some advice on alternatives for blu-tak when used on 
> natural science specimens. I know there is no perfect solution but the 
> scientists at our museum continue to use it and I am hoping there is 
> something better. They use it a lot in housing to keep a specimen in 
> place or during microscopy. Any recommendations would be 
> greatly appreciated.
>
> Thank you,
>
> Melissa.
>
> *Melissa Holt*
>
> Conservator | Collection Care and Conservation
>
> Australian Museum Research Institute
>
> *Australian Museum*1 William Street Sydney NSW 2010 Australia
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-- 

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---------

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neumann(a)snsb.de

postal address:

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