# Commission Regulation (EC) No 152/2009 of 27 January 2009 laying down the methods of sampling and analysis for the official control of feed (Text with EEA relevance), Division

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

NoteThe addition of about 3 ml to 4 ml of NaOH (3.11) into 1 litre of 10 g/l boric acid usually gives good adjustments. Store the solution at room temperature and protect the solution from light and sources of ammonia fumes during storage.

---
Source: https://www.legislation.gov.uk/eur/2009/152/annex/III/division/C/division/3/division/3.18/annotation/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-152/annex-III/division-C/division-3/division-3.18/annotation/1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.