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Subject: [DCHAS-L] Focus on communication, not misinformation

Date: Apr 14, 2023 20:40 UTC

Author: Ralph Stuart <ralph**At_Symbol_Here**RSTUARTCIH.ORG>

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Subject: Re: [DCHAS-L] Hood Inspection Question

Date: Apr 15, 2023 14:14 UTC

Author: Richard Palluzi <000006c59248530b-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU>

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From: Daniel R. Kuespert <000015c5a28e7459-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU>

Subject: Re: [DCHAS-L] Oxygen sensor for room with liquid nitrogen

Date: Apr 15, 2023 10:17 UTC

Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU>

In-Reply-To: [DCHAS-L] Oxygen sensor for room with liquid nitrogen

Demystify: 
My institution usually uses the PureAire 10-yr maintenance-free units, which are about $1k ea. Be aware they have a lot of interferences, so you may need electrochemical detectors in some lab areas where you have solvents, sulfur compounds, etc. in use.

Regards, Dan Kuespert

Sent from Proton Mail for iOS


On Thu, Apr 13, 2023 at 09:46, Laura Cunningham <000016f62c7368a2-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU> wrote:
Hi all,

Does anyone have recommendations for an oxygen sensor? We have a lab that is looking to purchase one for a room that will be storing liquid nitrogen.

Thanks!

Laura Cunningham, Ph.D.
Tufts University
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