... Jana KRUPICKOVA, Jaroslav VCEL4K and Jih' HETFLEJS Institute of Chemical Proccrs FundomentoLr, Czechoslovok ... Chemicals Nickel(1I) 2,4-pentanedionate (9546, Aldrich) was recrystallized twice from methanol ... REFERENCES 1. ZIlvfel P., Svoboda P., HettlejS J.: Collect. ...