# 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 5.3: Performance of the analysis

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

Take up 10 μl of the solution with the aid of the 10 μl micro-syringe, drawing back the plunger until the needle is empty. Introduce the needle into the injection system and inject quickly after 1–2 s. After about 5 s, gently extract the needle.
Perform the recording until the waxes or stigmastadienes are completely eluted, depending on the fraction being analysed.
The base line must always meet the required conditions.

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Source: https://www.legislation.gov.uk/eur/1991/2568/annex/XX/division/5/division/5.3 (the official version)
Page: https://openlegislation.uk/eu-regulation-1991-2568/annex-XX/division-5/division-5.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.