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Re: tritium oxidation rates

To: radsafe@romulus.ehs.uiuc.edu
Subject: Re: tritium oxidation rates
From: Scott Schwahn <schwahn@jlab.org>
Date: Thu, 11 Jun 1998 09:34:30 -0400
Organization: Southeastern Universities Research Association
References: <199806101709.MAA29718@romulus.ehs.uiuc.edu>

Jean-Francois, Stephane wrote:

> ...I was thinking about a bubbler system for HTO and an
> oxidizing mechanism (heated precious metal catalyst like palladium ?) to
> transform HT into HTO and then run throught the bubbler...

According to Okada and Momoshima, Health Physics Volume 65, #6, page 600,
elemental tritium forms HTO in dry air in the presence of platinum  at a rate of
only 1.1% per day.  In moist air in the presence of platinum, it increases to
28% per day.  Keep this in mind if you decide to do that.

Scott
--

Scott O. Schwahn, CHP
Thomas Jefferson National Accelerator Facility
schwahn@jlab.org

References:
- RE: tritium oxidation rates
  - From: "Jean-Francois, Stephane" <stephane_jeanfrancois@merck.com>

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