Regulation (EC) No 648/2004 of the European Parliament and of the Council of 31 March 2004 on detergents (Text with EEA relevance) (c. 648)

ANNEX VIII U.K. TEST METHODS AND ANALYTICAL METHODS

5. Preliminary notes U.K.

5.3. Deionised water U.K.

5.3.1. Ethanol, C₂H₅OH 95 % (v/v) (permissible denaturant: methyl-ethyl ketone or methanol) U.K.

5.3.2. Isopropanol/water mixture (50/50 v/v): U.K.

5.3.3. 50 parts by volume isopropanol, CH₃CHOH.CH₃, and U.K.

• 50 parts by volume water (5.3.1)

• Ammonium bicarbonate solution (60/40 v/v):

5.3.4. 0,3 mol NH₄HCO₃ in 1 000 ml of an isopropanol/water mixture consisting of 60 parts by volume isopropanol and 40 parts by volume water (5.3.1) U.K.

• Cation exchanger (KAT), strongly acidic, resistant to alcohol (50-100 mesh)

5.3.5. Anion exchanger (AAT), macro-porous, Merck Lewatit MP 7080 (70-150 mesh) or equivalent U.K.

5.3.6. Hydrochloric acid, 10 % HCl w/w U.K.

5.3.7. 2 000 ml round-bottomed flask with ground glass stopper and reflux condenser U.K.

5.3.8. 90 mm diameter suction Filter (heatable) for filter papers U.K.

5.3.9. 2 000 ml filter flask U.K.

5.3.10. Exchange columns with heating jacket and tap: inner tube 60 mm in diameter and 450 mm in height (see Figure 4) U.K.

5.3.11. Water-bath U.K.

5.3.12. Vacuum drying oven U.K.

5.3.13. Thermostat U.K.

5.3.14. Rotary evaporator U.K.

5.3.15. Preparation of extract and separation of non-ionic active agents U.K.