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 (c. 2568)

[F1 ANNEX XIX U.K. [F2 DETERMINATION OF ALIPHATIC AND TRITERPENIC ALCOHOLS CONTENT BY CAPILLARY GAS CHROMATOGRAPHY]

Textual Amendments

F1 Inserted by Commission Regulation (EC) No 796/2002 of 6 May 2002 amending Regulation (EEC) No 2568/91 on the characteristics of olive oil and olive-pomace oil and on the relevant methods of analysis and the additional notes in the Annex to Council Regulation (EEC) No 2658/87 on the tariff and statistical nomenclature and on the Common Customs Tariff.

F2 Substituted by Commission Implementing Regulation (EU) 2015/1833 of 12 October 2015 amending Regulation (EEC) No 2568/91 on the characteristics of olive oil and olive-residue oil and on the relevant methods of analysis.

3. EQUIPMENT U.K.

3.1. 250 ml round-bottomed flask fitted with a reflux condenser having ground-glass joints. U.K.

3.2. 500 ml separating funnel. U.K.

3.3. 250 ml round-bottomed flasks. U.K.

3.4. Chromatographic tank for thin-layer chromatographic analysis, for glass plates of dimensions 20 x 20 cm. U.K.

3.5. Ultraviolet lamp having a wavelength of 366 or 254 nm. U.K.

3.6. 100 μl and 500 μl microsyringes. U.K.

3.7. A cylindrical filter funnel with a G3 porous septum (porosity 15 to 40 μm) of diameter approximately 2 cm and a depth of some 5 cm, with an attachment suitable for filtration under vacuum and a 12/21 male ground glass joint. U.K.

3.8. 50 ml vacuum conical flask with a 12/21 ground-glass female joint which can be fitted to the filter funnel (3.7). U.K.

3.9. A 10 ml test tube with a tapering bottom and a sealing stopper. U.K.

3.10. Gas chromatograph for use with a capillary column, and provided with a splitting system composed of: U.K.

3.10.1.

Thermostatic chamber for columns (column oven) to hold the temperature desired with a precision of ± 1 °C.

3.10.2.

A temperature-adjustable injection unit with a persilanised glass vaporising element.

3.10.3.

A flame ionisation detector and converter-amplifier.

3.10.4.

Recorder-integrator for operation with the converter-amplifier (3.10.3), with response time not exceeding one second and with variable paper-speed.

3.11. Glass or fused silica capillary column, of length 20 to 30 m, internal diameter 0,25 to 0,32 mm, with SE-52 or SE-54 liquid phase or equivalent, with a film thickness between 0,10 and 0,30 μm. U.K.

3.12. Microsyringe for gas chromatography, of 10 μl capacity with hardened needle. U.K.

3.13. Analytical balance sensitive to 1 mg (with 0,1 mg display).] U.K.