# 1187: ANOYXNATRONUM MEDIUM ## Main sol. 1187 25 g Na2CO3 25 g NaHCO3 0.2 g KCl 0.1 g MgCl2 x 6 H2O 0.5 g NH4Cl 0.2 g K2HPO4 0.2 g Yeast extract 1 ml **Trace element solution SL-10** 1 ml **Wolin's vitamin solution** 0.7 g Na2S x 9 H2O 5 g Glucose 1000 ml Distilled water 1. pH 9.0 2. Prepare the medium anaerobically without the vitamins, Na2S, yeast extract NaHCO3, and Na2CO3. Boil the medium, cool under N2, add the NaHCO3, and Na2CO3, dispense under N2 and autoclave the medium. Add the vitamin solution, yeast extract, Na2S and glucose from sterile stock solution prepared under N2 to the cooled, autoclaved medium. ## Trace element solution SL-10 10 ml HCl (25%) 1.5 g FeCl2 x 4 H2O 70 mg ZnCl2 100 mg MnCl2 x 4 H2O 6 mg H3BO3 190 mg CoCl2 x 6 H2O 2 mg CuCl2 x 2 H2O 24 mg NiCl2 x 6 H2O 36 mg Na2MoO4 x 2 H2O 990 ml Distilled water 1. First dissolve FeCl2 in the HCl, then dilute in water, add and dissolve the other salts. Finally make up to 1000.00 ml. ## Wolin's vitamin solution 2 mg Biotin 2 mg Folic acid 10 mg Pyridoxine hydrochloride 5 mg Thiamine HCl 5 mg Riboflavin 5 mg Nicotinic acid 5 mg Calcium D-(+)-pantothenate 0.1 mg Vitamin B12 5 mg p-Aminobenzoic acid 5 mg (DL)-alpha-Lipoic acid 1000 ml Distilled water