hi, chris ! we use nitric oxide cylinders
as standards for our NOx emissions analyzers. we get the certified
cylinders from airgas. our c of a's do not have an expiration date
on them. i would suggest you contact your supplier or airgas.com
and ask them!
Best regards,
Margie Brazelton
Senior Process Chemist
Dyno Nobel Inc.
A business of Incitec Pivot Limited
Cheyenne Plant, P.O. Box 1287 / Cheyenne,
WY 82003, 8305 Otto Road / Cheyenne, WY 82001, USA
Office: +1 307 637 2766 | Fax:
+1 307 771 5637 | Mobile: +1 307 631 8368
mailto:margie.brazelton**At_Symbol_Here**am.dynonobel.com
http://www.dynonobel.com
Groundbreaking Performance Through Practical
Innovation
From:
"Kohler, Christopher
E" <cekohler**At_Symbol_Here**IU.EDU>
To:
DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
Date:
02/25/2015 01:46 PM
Subject:
[DCHAS-L] Nitric
oxide and nitrogen dioxide cylinders
Sent by:
DCHAS-L Discussion
List <dchas-l**At_Symbol_Here**MED.CORNELL.EDU>