# Council Directive 93/85/EEC of 4 October 1993 on the control of potato ring rot, Division 4.2

Extent: E+W+S+N.I.

Dry the droplets at ambient temperatures or by warming at temperature of 40 to 45 °C. Fix the bacterial cells to the slide either by heating (15 minutes at 60 °C), flaming, with 95 % ethanol or according to specific instructions from the suppliers of the antibodies.
If necessary, fixed slides may then be stored frozen in a desiccated box for as little time as necessary (up to a maximum of 3 months) prior to further testing.

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Source: https://www.legislation.gov.uk/eudr/1993/85/annex/I/division/4/division/4.2 (the official version)
Page: https://openlegislation.uk/eu-directive-1993-85/annex-I/division-4/division-4.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.