# First Commission Directive of 13 November 1979 laying down Community methods of analysis for testing certain partly or wholly dehydrated preserved milk for human consumption (79/1067/EEC), Division 4.4: Solution D

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

Precipitant.
Dissolve 3,0 g of zinc sulphate (ZnSO4.7H2O) and 0,6 g of copper (II) sulphate (CUSO4.5H2O) in water and make up to 100 ml with water.

---
Source: https://www.legislation.gov.uk/eudr/1979/1067/annex/II/division/8/division/4/division/4.4 (the official version)
Page: https://openlegislation.uk/eu-directive-1979-1067/annex-II/division-8/division-4/division-4.4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.