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Division 3.3 ProcedureF1

United Kingdom Repealed

Original text. Later amendments are not shown.

  1. 3.3.1Oxidation of the L-ascorbic acid to dehydroascorbic acid
  2. 3.3.2Formation and extraction of the bis(2,4-dinitrophenylhydrazone) derivative of diketogulonic acid
  3. 3.3.3Separation of the bis(2,4-dinitrophenylhydrazone) by chromatography; this is to be carried out in the 2 hours following the extraction (3.3.2).
  4. 3.3.4Preparation of the calibration curve
  5. 3.3.5Expression of results

Annotations

Textual amendments

F1

Repealed by Commission Regulation (EC) No 606/2009 of 10 July 2009 laying down certain detailed rules for implementing Council Regulation (EC) No 479/2008 as regards the categories of grapevine products, oenological practices and the applicable restrictions.