# 463a: EDTA-MEDIUM ## Main sol. 463a 0.41 g Na2HPO4 x 2 H2O 0.26 g KH2PO4 1 g MgSO4 x 7 H2O 0.4 g CaCl2 x 2 H2O 1 ml **Trace element solution** 1 ml **Vitamin solution** 0.5 g EDTA (di- or trisodium salt) 1000 ml Distilled water 1. pH 8.0 ## Trace element solution 1.5 g FeCl2 x 4 H2O 68 mg ZnCl2 100 mg MnCl2 x 4 H2O 62 mg H3BO3 120 mg CoCl2 x 6 H2O 17 mg CuCl2 x 2 H2O 24 mg NiCl2 x 6 H2O 24 mg Na2MoO4 x 2 H2O 1000 ml HCl, 0.05 molar ## Vitamin solution 50 mg Vitamin B12 50 mg Pantothenic acid 50 mg Riboflavin 10 mg Pyridoxamine hydrochloride 20 mg Biotin 20 mg Folic acid 25 mg Nicotinic acid 25 mg Nicotine amide 50 mg alpha-lipoic acid 50 mg p-Aminobenzoic acid 50 mg Thiamine-HCl x 2 H2O 1000 ml Distilled water 1. Stir for some hours, filter sterilize the solution.