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Scientists debate reverse osmosis for better water quality

The reverse osmosis technique, used to improve the quality of water for injections (WFI), came under the spotlight recently, when scientists met to discuss international activities for harmonization of the authorised techniques to produce WFI.

There are currently important di...

23 March 1999 - 23 March 1999
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The reverse osmosis technique, used to improve the quality of water for injections (WFI), came under the spotlight recently, when scientists met to discuss international activities for harmonization of the authorised techniques to produce WFI.

There are currently important differences in the techniques authorised to produce WFI in the United States and Europe. But, at the conference in Strasbourg, organised by the European Department for the Quality of Medicines of the Council of Europe (EDQM) at the beginning of March, delegates from international licensing and medical evaluation agencies debated whether the "reverse osmosis" preparation technique is suitable for use when purified water is not.

The majority of participants at the meeting called for more data to demonstrate the reliability of the technique for producing consistently high-quality water that would be suitable for parental administration.

Delegates also agreed that current pharmocopoeial requirements (written pharmaceutical legislation) for water should be reviewed because the current monographs for purified water and for water injections in the European literature may not cover all grades of water in use.

They also called on users of systems based on the reverse-osmosis technique to generate more information and data on the long-term reliability, the quality in general and microbiological quality in particular, of water produced by these systems.

The EDQM hopes to promote continued progress in international harmonization and to facilitate the free movement of medicines for human and veterinary use while guaranteeing public health.
For more information, please contact:

Dr C le Tarnec
European Department for the Quality of Medicines (EDQM)
Tel. +33-3-88412815; Fax +33-3-88412789
E-mail: info@pheur.org
URL: http://www.pheur.org

or,

Christiane Dennemeyer
Council of Europe Press Service
Tel. +33-3-88412563; Fax +33-3-88412789
E-mail: PressUnit@coe.fr