[3dem] [External] Cryo claw

[Jaime Llodra]

Ask an astronaut, the gloves of their suits must be good enough for low
temperatures

On Mon, Oct 6, 2025 at 8:55 PM Hamid Rahmani via 3dem <3dem at ncmir.ucsd.edu>
wrote:

> Hi all, we have one of these (attached) and I have retrieved a puck with
> it before. However, I got lucky and did it without looking!
>
> Best,
> Hamid
> ------------------------------
> *From:* 3dem <3dem-bounces at ncmir.ucsd.edu> on behalf of Brilot, Axel via
> 3dem <3dem at ncmir.ucsd.edu>
> *Sent:* Monday, October 6, 2025 11:45:02 AM
> *To:* 3dem <3dem at ncmir.ucsd.edu>; Reza Khayat <rkhayat at ccny.cuny.edu>;
> Morgan, David Gene <dagmorga at iu.edu>
> *Subject:* Re: [3dem] [External] Cryo claw
>
> Hi Reza, David,
>
> Alternatively, you can buy very long crucible tongs (~ 20 inches or
> longer) and hope to get lucky. If you empty out all the cylinders from the
> dewar and wait for a few minutes you should be able to get a good view with
> a flashlight to find its location and get it out.
>
> HTH,
>
> Axel
>
> ------------------------------
> *From:* 3dem <3dem-bounces at ncmir.ucsd.edu> on behalf of Morgan, David
> Gene via 3dem <3dem at ncmir.ucsd.edu>
> *Sent:* Monday, October 6, 2025 1:41 PM
> *To:* 3dem <3dem at ncmir.ucsd.edu>; Reza Khayat <rkhayat at ccny.cuny.edu>
> *Subject:* Re: [3dem] [External] Cryo claw
>
> Reza,
>
> Your best bet is probably to empty the entire dewar.  Large styrofoam
> boxes are very good for this sort of thing...
>
> --
>
> NOTE:  my email has changed to dagmorga at iu.edu.
>              Email to dagmorga at indiana.edu will stop being
>              forwarded later this year.
>
>     politics is more difficult than physics.
>                                              A. Einstein
>
>             David Gene Morgan
>         Electron Microscopy Center
>              043E Simon Hall
>              IU Bloomington
>           812 856 1457 (office)
>           812 856 3221 (3200)
>       https://urldefense.com/v3/__http://iubemcenter.indiana.edu__;!!Mih3wA!CImJ0wYPRonMhLOZpD_ZpNkYZjTd86QNyfNcs1NZ0op7tCkX83WDlLOuxNlBkILU1J_yZF8O3FWPj5AxKL7kbtw$ 
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> ------------------------------
> *From:* 3dem <3dem-bounces at ncmir.ucsd.edu> on behalf of Reza Khayat via
> 3dem <3dem at ncmir.ucsd.edu>
> *Sent:* Monday, October 6, 2025 2:36 PM
> *To:* 3dem <3dem at ncmir.ucsd.edu>
> *Subject:* [External] [3dem] Cryo claw
>
>
> This message was sent from a non-IU address. Please exercise caution when
> clicking links or opening attachments from external sources.
>
> Hi,
>
> We've lost a 50ml falcon tube in our cryo dewar. Is anyone aware of a good
> claw that can retrieve it? Thanks.
>
> Best wishes,
> Reza
>
> Reza Khayat, PhD
> City College of New York
> Department of Chemistry and Biochemistry
>
>
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