# 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 Note 6:

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

Ready for use solutions are available commercially. Other silylation reagents, such as, for example, bistrimethylsilyl trifluor acetamide + 1 % trimethylchlorosilane, which has to be diluted with an equal volume of anhydrous pyridine, are also available. Pyridine can be replaced by the same amount of acetonitrile.

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Source: https://www.legislation.gov.uk/eur/1991/2568/annex/XIX/part/3/division/5/division/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-1991-2568/annex-XIX/part-3/division-5/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.