# Commission Regulation (EEC) No 2568/91 of 11 July 1991 on the characteristics of olive oil and olive-residue oil and on the relevant methods of analysis, Division 2.5: Preparation of the round-bottomed flask

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

Weigh to the nearest 1 mg the flask containing one or two particles of pumice stone, previously dried in the stove at 103 ± 2° C and then cooled in a dessicator for not less than one hour.

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Source: https://www.legislation.gov.uk/eur/1991/2568/annex/XV/division/2/division/2.5 (the official version)
Page: https://openlegislation.uk/eu-regulation-1991-2568/annex-XV/division-2/division-2.5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.