# Council Regulation (EC) No 428/2009 of 5 May 2009 setting up a Community regime for the control of exports, transfer, brokering and transit of dual-use items (Recast), Division [1A225]: Wet-proofed platinised catalysts specially designed or prepared for promoting the hydrogen isotope exchange reaction between hydrogen and water for the recovery of tritium from ... water or for the production or upgrading of heavy water.


Technical Note:
In heavy water moderated reactors, upgraders maintain the heavy water concentration in the reactor core. Wet-proofed platinised catalysts can also be used to upgrade heavy water.

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Source: https://www.legislation.gov.uk/eur/2009/428/annex/I/division/3/division/1/division/1A225 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-428/annex-I/division-3/division-1/division-1A225
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.