# 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 8.3

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

If the feed contains over 5 % of carbonates, expressed as calcium carbonate, connect the crucible (4.2) with the weighed sample to the heating unit (4.1). Wash the sample three times with 30 ml hydrochloric acid (3.6). After each addition let the sample stand for about one minute before filtering. Wash once with 30 ml water and then continue as described under 5.

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Source: https://www.legislation.gov.uk/eur/2009/152/annex/III/division/I/division/8/division/8.3 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-152/annex-III/division-I/division-8/division-8.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.