# 1228: THIOALKALIVIBRIO THIOCYANODENITRIFICANS MEDIUM ## Main sol. 1228 22 g Na2CO3 8 g NaHCO3 5 g NaCl 1 g K2HPO4 1000 ml Distilled water 1. Sterilize at 120°C 20 min in a closed vessel (i.e. a serum tube or bottle) with a liquid to air ratio of about 1:10. pH after sterilization will about 10. 2. After sterilization add from sterile stock solutions: 2 ml **Trace element solution** 1 ml MgCl2 x 6 H2O (200.0 g/l) 3. (a white colloid will form which will rapidly dissolve after mixing) 10 ml Sodium thiosulfate pentahydrate (4 M - 992 g/l) 5 ml KSCN (2 M - 194 g/l) 4. Incubate statically until growth occurs, then shake at 100 rpm. ## Trace element solution 5 mg EDTA 2 mg FeSO4 x 7 H2O 100 mg ZnSO4 x 7 H2O 30 mg MnCl2 x 4 H2O 200 mg CoCl2 x 6 H2O 20 mg NiCl2 x 6 H2O 30 mg Na2MoO4 x 2 H2O 10 mg CuCl2 x 2 H2O 300 mg H3BO3 1000 ml Distilled water 1. Final pH should be 3, add HCl if needed. Sterilization - 120°C 20 min.