# J303: PE MEDIUM ## Main sol. J303 5 ml **Basal salts solution** 5 ml **Phosphate solution** 1 ml **Vitamin solution** 0.5 g (NH4)2SO4 0.5 g Na glutamate 0.5 g Sodium succinate 0.5 g Sodium acetate 0.5 g Yeast extract (BD-Difco) 0.5 g Casamino acids (BD-Difco) 0.5 g Na2S2O3 1000 ml Distilled water 1. Adjust pH to 7.5. ## Basal salts solution 4.12 g Na3-EDTA 1.11 g FeSO4 x H2O 24.65 g MgSO4 x 7 H2O 2.94 g CaCl2 x 2 H2O 23.4 g NaCl 10 ml **Trace elements solution** 1000 ml Distilled water ## Phosphate solution 75 g KH2PO4 78 g K2HPO4 1000 ml Distilled water ## Vitamin solution 100 mg Nicotinic acid 100 mg Thiamine HCl 5 mg Biotin 50 mg p-Aminobenzoic acid 1 mg Vitamin B12 50 mg Calcium pantothenate 50 mg Pyridoxine hydrochloride 50 mg Folic acid 200 mg Na3-EDTA 100 ml Distilled water ## Trace elements solution 5.58 g MnSO4 x n H2O 1.44 g ZnSO4 x 7 H2O 1.46 g Co(NO3)2 x 6 H2O 1.26 g CuSO4 x 5 H2O 1.21 g Na2MoO4 x 2 H2O 1.55 g H3BO3 20.6 g Na3-EDTA 500 ml Distilled water