# C40: JM ## Mail sol. C40 1 ml Ca(NO3)2 x 4 H2O (4.0 g/200 ml stock solution) 1 ml KH2PO4 (2.48 g/200 ml stock solution) 1 ml MgSO4 x 7 H2O (10.0 g/200 ml stock solution) 1 ml NaHCO3 (3.18 g/200 ml stock solution) 1 ml **Solution 1** 1 ml **Solution 2** 1 ml **Solution 3** 1 ml NaNO3 (16.0 g/200 ml stock solution) 1 ml Na2HPO4 x 12 H2O (7.2 g/200 ml stock solution) 1000 ml Deionized water 15 g Agar, for solid medium 1. Make up to 1 litre with deionized water. For agar, add 15.0 g per litre of Bacteriological Agar (Thermo Scientific™ Oxoid™ Agar No.1). Autoclave at 15 psi for 15 minutes. ## Solution 1 0.45 g FeNa-EDTA 0.45 g Na2-EDTA ## Solution 2 0.496 g H3BO3 0.278 g MnCl2 x 4 H2O 0.2 g (NH4)6Mo7O24 x 4 H2O ## Solution 3 0.008 g Cyanocobalamine 0.008 g Thiamine HCl 0.008 g Biotine