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) (c. 152)

ANNEX III U.K. METHODS OF ANALYSIS TO CONTROL THE COMPOSITION OF FEED MATERIALS AND COMPOUND FEED

I. DETERMINATION OF CRUDE FIBRE U.K.

4. Apparatus U.K.

4.1. Heating unit for digestion with sulphuric acid and potassium hydroxide solution, equipped with a support for the filter crucible (4.2) and provided with an outlet tube with a tap to the liquid outlet and vacuum, possibly with compressed air. Before use each day preheat the unit with boiling water for five minutes. U.K.

4.2. Glass filter crucible with fused sintered glass filter plate pore size 40-90 μm. Before first use, heat to 500 ^oC for a few minutes and cool (8.6). U.K.

4.3. Cylinder of at least 270 ml with a reflux condenser, suitable for boiling. U.K.

4.4. Drying oven with thermostat. U.K.

4.5. Muffle furnace with thermostat. U.K.

4.6. Extraction unit consisting of a support plate for the filter crucible (4.2) and with a discharge pipe with a tap to the vacuum and liquid outlet. U.K.

4.7. Connecting rings to assemble the heating unit (4.1), crucible (4.2) and cylinder (4.3) and to connect the cold extraction unit (4.6) and crucible. U.K.