Thank you all very much for all the really helpful freezer advice you've
given me.
I hope this is the start of a wonderful new year for you all and all
your creatures, rocks and plants stay safe!
best wishes
Gillie
Paolo Viscardi wrote:
> We picked up an AEG Arctis domestic chest freezer a couple of years
> ago and it's been very good. It has a 'fast freeze' capability,
> which can be maintained if you adjust the freezer to its coldest
> setting. This provides the option to maintain the freezer at -18 for
> storage, or take it to below -30 for pest treatments (we have an
> electonic thermometer that allows us to monitor the temperature and
> it's quite consistently around -31). The only problem we've had so far
> is that the freezer isn't quite wide enough to take an insect drawer
> laying flat.
> Paolo
> On 21 December 2010 11:07, Andrew, Kate <[log in to unmask]
> <mailto:[log in to unmask]>> wrote:
>
> Dear Gillie
>
> Normal domestic chest freezers run at -18 but for pest de-infestation,
> you need to leave your things in for 14 days at this temperature.
> When
> we replaced our chest freezer, we went for one that is intended for
> scientific sample storage. It actually seems to run at -40, but we
> needed a particular size to fit insect drawers in flat. For pest
> de-in
> festation, -30 requires only 72 hours so much quicker turn around.
>
> Kate
>
>
>
> Katherine Andrew
> Principal Heritage Officer
> Herefordshire Heritage Services
>
> Museum Resource & Learning Centre
> 58, Friar Street
> Hereford
> HR4 0AS
>
> [log in to unmask] <mailto:[log in to unmask]>
> phone 01432 383590
> fax 01432 260161
> Courier code H16A
> web site www.herefordshire.gov.uk/museums
> <http://www.herefordshire.gov.uk/museums>
> Check out www.herefordshire.gov.uk/brianhatton
> <http://www.herefordshire.gov.uk/brianhatton> for a fantastic new
> learning resource on this local artist
> Herefordshire Council's Cultural Service providing opportunities in
> Arts, Museums and Heritage, Libraries and Sports Development to
> residents and visitors.
>
>
> -----Original Message-----
> From: The Natural Science Collections Association discussion list
> [mailto:[log in to unmask] <mailto:[log in to unmask]>] On
> Behalf Of Gillie Newman
> Sent: 20 December 2010 17:08
> To: [log in to unmask] <mailto:[log in to unmask]>
> Subject: freezing temperatures?
>
> Hello,
> we need to buy a new chest freezer to keep our fresh new creatures and
> for de-pesting our existing specimens and new aquisitions. Our old one
> was a standard temperature -18/-22c - is this still the recommended
> temperatures for these purposes? Any advice would be most appreciated.
> Thank you.
>
> best wishes and Happy Xmas!
>
> Gillie
>
> --
> Gillie Newman
> Conservator
> UCL Collections & Museums
>
> Grant Museum of Zoology
> Darwin Building
> University College London
> Gower Street, London WC1E 6BT, England
>
> Tel: (+44) 020 7679 2485 or ext.32485
> Fax: (+44) 020 7679 7096
>
>
--
Gillie Newman
Conservator
UCL Collections & Museums
Grant Museum of Zoology
Darwin Building
University College London
Gower Street, London WC1E 6BT, England
Tel: (+44) 020 7679 2485 or ext.32485
Fax: (+44) 020 7679 7096
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