srobertsphd/mit-labnetwork · Datasets at Hugging Face

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From hathaway at cns.fas.harvard.edu Tue Jul 18 17:51:55 2023
From: hathaway at cns.fas.harvard.edu (Hathaway, Malcolm R)
Date: Tue, 18 Jul 2023 21:51:55 +0000
Subject: [labnetwork] TTIP Cylinder Overheated - Request for Advise
Message-ID: <MN2PR07MB6526683338D9DA35ACD0C64ECB38A@MN2PR07MB6526.namprd07.prod.outlook.com>
Hey all,
We (not CNS, but another lab) have an issue with a TTIP cylinder (Cambridge Nano/swagelok-style) which got over-heated to an unknown temp, whereupon the bottle acquired a bulge. It was closed at the time, and so is still under pressure to an unknown degree. The bottle label melted, for reference.
Questions:
Are the contents likely to be decomposition products?
Would these products be flammable or explosive?
Can a bottle burst under the flexural stress of slow depressurization?
Is there a safe way to depressurize?
We came up with the idea of attaching a second valve (these are all VCR), and alternating opening inner valve (then closing) and opening outer valve (then closing), to step-wise vent the bottle. Has anyone heard of such a technique causing the bottle to burst along the way?
Suggestion welcome.
Mac
--
Mac Hathaway
Senior Process and Systems Engineer
Harvard Center for Nanoscale Systems
11 Oxford St.
Cambridge, MA 02138
617-495-9012
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From s.etienne at ucl.ac.uk Wed Jul 19 04:29:09 2023
From: s.etienne at ucl.ac.uk (Etienne, Steve)
Date: Wed, 19 Jul 2023 08:29:09 +0000
Subject: [labnetwork] Job opportunity in London
Message-ID: <PA4PR01MB933115A90E879C3261C4E2ADB939A@PA4PR01MB9331.eurprd01.prod.exchangelabs.com>
Hi everyone,
I'd like to make you aware of this position available at UCL.
https://www.ucl.ac.uk/work-at-ucl/search-ucl-jobs/details?jobId=12592&jobTitle=Cleanroom+Manager
Best Regards
Steve
Stephen Etienne \| Cleanroom Manager
I retire at end of July 2023, and my current email will become inactive.
Please use lcn.crteam at ucl.ac.uk<mailto:lcn.crteam at ucl.ac.uk> for ongoing communications.
London Centre for Nanotechnology \| UCL \| 17-19 Gordon Street \| London \| WC1H 0AH
Tel: +44 (0)207 679 2570 \| www.london-nano.com<http://www.london-nano.com> lcn.crteam at ucl.ac.uk<mailto:lcn.crteam at ucl.ac.uk>
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From deonc69 at illinois.edu Thu Jul 20 14:55:00 2023
From: deonc69 at illinois.edu (Collins, Deon)
Date: Thu, 20 Jul 2023 18:55:00 +0000
Subject: [labnetwork] TTIP Cylinder Overheated - Request for Advise
In-Reply-To: <MN2PR07MB6526683338D9DA35ACD0C64ECB38A@MN2PR07MB6526.namprd07.prod.outlook.com>
References: <MN2PR07MB6526683338D9DA35ACD0C64ECB38A@MN2PR07MB6526.namprd07.prod.outlook.com>
Message-ID: <DM6PR11MB31622313B095B7441827AA21D73EA@DM6PR11MB3162.namprd11.prod.outlook.com>
I would have the bottle disposed of ASAP. The structural integrity of the cylinder has been compromised.
Deon D. Collins
FACILITY MANAGER
The Grainger College Of Engineering UIUC
Holonyak Micro & Nanotechnology Lab
208 N Wright St Rm. 1114 \| MC-249
Urbana, IL 61801
217-300-7531 \| deonc69 at illinois.edu<mailto:deonc69 at illinois.edu>
[cid:image001.png at 01D9BB11.CB783070]<http://illinois.edu/>
Under the Illinois Freedom of Information Act any written communication to or from university employees regarding university business is a public record and may be subject to public disclosure.
Life is not about watching other people live it. It's about you living your own!
From: labnetwork <labnetwork-bounces at mtl.mit.edu> On Behalf Of Hathaway, Malcolm R
Sent: Tuesday, July 18, 2023 4:52 PM
To: Labnetwork Mailing List <labnetwork at mtl.mit.edu>
Subject: [labnetwork] TTIP Cylinder Overheated - Request for Advise
Hey all,
We (not CNS, but another lab) have an issue with a TTIP cylinder (Cambridge Nano/swagelok-style) which got over-heated to an unknown temp, whereupon the bottle acquired a bulge. It was closed at the time, and so is still under pressure to an unknown degree. The bottle label melted, for reference.
Questions:
Are the contents likely to be decomposition products?
Would these products be flammable or explosive?
Can a bottle burst under the flexural stress of slow depressurization?
Is there a safe way to depressurize?
We came up with the idea of attaching a second valve (these are all VCR), and alternating opening inner valve (then closing) and opening outer valve (then closing), to step-wise vent the bottle. Has anyone heard of such a technique causing the bottle to burst along the way?
Suggestion welcome.
Mac
--
Mac Hathaway
Senior Process and Systems Engineer
Harvard Center for Nanoscale Systems
11 Oxford St.
Cambridge, MA 02138
617-495-9012
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From hathaway at cns.fas.harvard.edu Thu Jul 20 17:17:56 2023
From: hathaway at cns.fas.harvard.edu (Hathaway, Malcolm R)
Date: Thu, 20 Jul 2023 21:17:56 +0000
Subject: [labnetwork] TTIP Cylinder Overheated - Request for Advise
In-Reply-To: <DM6PR11MB31622313B095B7441827AA21D73EA@DM6PR11MB3162.namprd11.prod.outlook.com>
References: <MN2PR07MB6526683338D9DA35ACD0C64ECB38A@MN2PR07MB6526.namprd07.prod.outlook.com>

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From hathaway at cns.fas.harvard.edu Tue Jul 18 17:51:55 2023

From: hathaway at cns.fas.harvard.edu (Hathaway, Malcolm R)

Date: Tue, 18 Jul 2023 21:51:55 +0000

Subject: [labnetwork] TTIP Cylinder Overheated - Request for Advise

Message-ID: <MN2PR07MB6526683338D9DA35ACD0C64ECB38A@MN2PR07MB6526.namprd07.prod.outlook.com>

Hey all,

We (not CNS, but another lab) have an issue with a TTIP cylinder (Cambridge Nano/swagelok-style) which got over-heated to an unknown temp, whereupon the bottle acquired a bulge. It was closed at the time, and so is still under pressure to an unknown degree. The bottle label melted, for reference.

Questions:

Are the contents likely to be decomposition products?

Would these products be flammable or explosive?

Can a bottle burst under the flexural stress of slow depressurization?

Is there a safe way to depressurize?

We came up with the idea of attaching a second valve (these are all VCR), and alternating opening inner valve (then closing) and opening outer valve (then closing), to step-wise vent the bottle. Has anyone heard of such a technique causing the bottle to burst along the way?

Suggestion welcome.

Mac

--

Mac Hathaway

Senior Process and Systems Engineer

Harvard Center for Nanoscale Systems

11 Oxford St.

Cambridge, MA 02138

617-495-9012

-------------- next part --------------

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From s.etienne at ucl.ac.uk Wed Jul 19 04:29:09 2023

From: s.etienne at ucl.ac.uk (Etienne, Steve)

Date: Wed, 19 Jul 2023 08:29:09 +0000

Subject: [labnetwork] Job opportunity in London

Message-ID: <PA4PR01MB933115A90E879C3261C4E2ADB939A@PA4PR01MB9331.eurprd01.prod.exchangelabs.com>

Hi everyone,

I'd like to make you aware of this position available at UCL.

https://www.ucl.ac.uk/work-at-ucl/search-ucl-jobs/details?jobId=12592&jobTitle=Cleanroom+Manager

Best Regards

Steve

Stephen Etienne | Cleanroom Manager

I retire at end of July 2023, and my current email will become inactive.

Please use lcn.crteam at ucl.ac.uk<mailto:lcn.crteam at ucl.ac.uk> for ongoing communications.

London Centre for Nanotechnology | UCL | 17-19 Gordon Street | London | WC1H 0AH

Tel: +44 (0)207 679 2570 | www.london-nano.com<http://www.london-nano.com> lcn.crteam at ucl.ac.uk<mailto:lcn.crteam at ucl.ac.uk>

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From deonc69 at illinois.edu Thu Jul 20 14:55:00 2023

From: deonc69 at illinois.edu (Collins, Deon)

Date: Thu, 20 Jul 2023 18:55:00 +0000

Subject: [labnetwork] TTIP Cylinder Overheated - Request for Advise

In-Reply-To: <MN2PR07MB6526683338D9DA35ACD0C64ECB38A@MN2PR07MB6526.namprd07.prod.outlook.com>

References: <MN2PR07MB6526683338D9DA35ACD0C64ECB38A@MN2PR07MB6526.namprd07.prod.outlook.com>

Message-ID: <DM6PR11MB31622313B095B7441827AA21D73EA@DM6PR11MB3162.namprd11.prod.outlook.com>

I would have the bottle disposed of ASAP. The structural integrity of the cylinder has been compromised.

Deon D. Collins

FACILITY MANAGER

The Grainger College Of Engineering UIUC

Holonyak Micro & Nanotechnology Lab

208 N Wright St Rm. 1114 | MC-249

Urbana, IL 61801

217-300-7531 | deonc69 at illinois.edu<mailto:deonc69 at illinois.edu>

[cid:image001.png at 01D9BB11.CB783070]<http://illinois.edu/>

Under the Illinois Freedom of Information Act any written communication to or from university employees regarding university business is a public record and may be subject to public disclosure.

Life is not about watching other people live it. It's about you living your own!

From: labnetwork <labnetwork-bounces at mtl.mit.edu> On Behalf Of Hathaway, Malcolm R

Sent: Tuesday, July 18, 2023 4:52 PM

To: Labnetwork Mailing List <labnetwork at mtl.mit.edu>

Subject: [labnetwork] TTIP Cylinder Overheated - Request for Advise

Hey all,

We (not CNS, but another lab) have an issue with a TTIP cylinder (Cambridge Nano/swagelok-style) which got over-heated to an unknown temp, whereupon the bottle acquired a bulge. It was closed at the time, and so is still under pressure to an unknown degree. The bottle label melted, for reference.

Questions:

Are the contents likely to be decomposition products?

Would these products be flammable or explosive?

Can a bottle burst under the flexural stress of slow depressurization?

Is there a safe way to depressurize?

We came up with the idea of attaching a second valve (these are all VCR), and alternating opening inner valve (then closing) and opening outer valve (then closing), to step-wise vent the bottle. Has anyone heard of such a technique causing the bottle to burst along the way?

Suggestion welcome.

Mac

--

Mac Hathaway

Senior Process and Systems Engineer

Harvard Center for Nanoscale Systems

11 Oxford St.

Cambridge, MA 02138

617-495-9012

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From hathaway at cns.fas.harvard.edu Thu Jul 20 17:17:56 2023

From: hathaway at cns.fas.harvard.edu (Hathaway, Malcolm R)

Date: Thu, 20 Jul 2023 21:17:56 +0000

Subject: [labnetwork] TTIP Cylinder Overheated - Request for Advise

In-Reply-To: <DM6PR11MB31622313B095B7441827AA21D73EA@DM6PR11MB3162.namprd11.prod.outlook.com>

References: <MN2PR07MB6526683338D9DA35ACD0C64ECB38A@MN2PR07MB6526.namprd07.prod.outlook.com>