Division 4.11.2 Staining solution (stock solution 2)F1 Original text. Later amendments are not shown. Dissolve 5,0 g copper sulphate pentahydrate in 1 000 ml 20 % (v/v) acetic acid. Annotations Textual amendments F1 Inserted by Commission Implementing Regulation (EU) 2018/150 of 30 January 2018 amending Implementing Regulation (EU) 2016/1240 as regards methods for the analysis and quality evaluation of milk and milk products eligible for public intervention and aid for private storage. ← Division 4.11.1 Division 4.11.2 Division 4.11.3 →