# Commission Regulation (EEC) No 1764/86 of 27 May 1986 laying down minimum quality requirements for products processed from tomatoes under the production aid scheme, Division 1: Principle

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

A test sample of the product is diluted. An excess of titrated silver nitrate solution is then added. The excess is then standardized with a titrated solution of potassium thiocyanate in the presence of ferric ammonia alum.

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Source: https://www.legislation.gov.uk/eur/1986/1764/annex/division/3/division/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-1986-1764/annex/division-3/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.