Commission Regulation (EC) No 2870/2000 of 19 December 2000 laying down Community reference methods for the analysis of spirits drinks (c. 2870)

ANNEX U.K.

[F1 IX. EGG YOLK. DETERMINATION OF EGG YOLK CONCENTRATION IN SPIRIT DRINKS — PHOTOMETRIC METHOD U.K.

4. Reagents and materials U.K.

4.1. Double-distilled water U.K.

4.2. Diatomaceous earth U.K.

4.3. Ethanol 96 % vol. (CAS 64-17-5) U.K.

4.4. 15 % magnesium acetate (CAS 16674-78-5) solution U.K.

4.5. 10 % sulphuric acid (CAS 7664-93-9) U.K.

4.6. 1 N sulphuric acid. U.K.

4.7. 0,16 g/l potassium dihydrogen phosphate (CAS 778-77-0), KH ₂ PO ₄ solution U.K.

4.8. Reagent for phosphate determination: U.K.

• dissolve 20 g of ammonium molybdate (CAS 12054-85-2), (NH ₄ ) ₆ Mo ₇ O ₂₄ .4H ₂ O in 400 ml water at 50 ^o C;

• dissolve, in another vessel, 1 g of ammonium vanadate (CAS 7803-55-6), NH ₄ VO ₃ , in 300 ml hot water, allow to cool, then add 140 ml of concentrated nitric acid (CAS 7697-37-2). Combine the cooled solutions in a 1 000 ml volumetric flask and make up to the 1 000 ml mark.]

Textual Amendments

F1 Inserted by Commission Regulation (EC) No 2091/2002 of 26 November 2002 amending Regulation (EC) No 2870/2000 laying down Community reference methods for the analysis of spirits drinks.