I agree with Nukri
Sent from my iPhone
On Dec 4, 2020, at 10:42 AM, Nukri Sanishvili wrote:
Hi John,
I think I know what might have happened:
Many of the MX beamlines at the APS use some sort of filler in the containers
where the LN2 is dumped. If I remember correctly, one of the beamlines i
Hi Jack, I have never seen “dewar rocks“ before. It does not look like the
internal absorbent which is whiteish. Any inside the dewar? Does it still stay
cold?
Looks like rocks from a gravel walkway.
Steve
Sent from my iPhone
On Dec 4, 2020, at 10:05 AM, Tanner, John J. wrote:
When we opene
Hi Jack, was the dewar shipped on 1st April and just arrived? You can
buy the CX100 also as CXR100 and there you can replace the adsorbent
material. Looks like this.
https://www.google.com/search?q=replaceable+adsorbent+material+kits&rlz=1C1CHBF_deAT848AT848&sxsrf=ALeKk01N9aWj7Kw07AMDN1oGMnke1s
We use aquarium gravel for this purpose. It does not have the fine
dust-like particles that normal construction gravel might.
On 12/4/20 11:42 AM, Nukri Sanishvili wrote:
Hi John,
I think I know what might have happened:
Many of the MX beamlines at the APS use some sort of filler in the
contai
Interesting observation. In our home X-ray lab, we constructed a liquid
nitrogen dumping station from a large garbage can filled with sand to about 12
inches. To keep the sand out of the dewars we topped the sand with a large wad
of screen-door netting. All items can easily be purchased from a l
Hi John,
I think I know what might have happened:
Many of the MX beamlines at the APS use some sort of filler in the
containers where the LN2 is dumped. If I remember correctly, one of the
beamlines is using fine gravel for this purpose. Also, it is required that
before shipping, the dewars are emp
It does not look like absorbent material and why should it be outside
the dewar and not all over the pucks?
I concur with Jürgen - it does look like gravel.
Às 16:18 de 04/12/2020, Jurgen Bosch escreveu:
That looks like gravel from the driveway where the dewar was tossed
around
Jürgen
On Dec
: CCP4 bulletin board On Behalf Of Jurgen Bosch
Sent: Friday, December 4, 2020 11:18 AM
To: CCP4BB@JISCMAIL.AC.UK
Subject: Re: [ccp4bb] Tiny rocks on my CX100 shipping dewar
EXTERNAL EMAIL – Use caution with any links or file attachments.
That looks like gravel from the driveway where the dewar
Hi John,
These look like real pebbles. If so, they would not word as an absorbent.
It looks more like a bad joke. Was the FedEx driver expecting some kind of
Thanksgiving gift from you? Wait till Christmas time then to see the real
surprises...
Best,
Nukri
On Fri, Dec 4, 2020 at 10:05 AM Tanner, J
That looks like gravel from the driveway where the dewar was tossed around
Jürgen
> On Dec 4, 2020, at 11:04 AM, Tanner, John J. wrote:
>
> When we opened our CX100 shipping dewar returned from APS via FedEx this
> week, we observed what appears to be tiny rocks on the rim below the foam
> ne
When we opened our CX100 shipping dewar returned from APS via FedEx this week,
we observed what appears to be tiny rocks on the rim below the foam neck core:
https://www.dropbox.com/s/ky09a1vbm9t0mrl/CX100withrocks.png?dl=0
Has anyone seen this before? Is this perhaps the absorbent material from
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