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Main sol. 1845

Internal Solution-ID: S6447

Equipment needed: Autoclave
Compound Amount Unit Conc. [g/L] Conc. [mM]
Basal salt stock solution (20x) 50.0 ml - -
Trace element solution (Nitrososphaera) 1.0 ml - -
FeNaEDTA solution (7.5 mM) 1.0 ml - -
Selenite-tungstate solution 1.0 ml - -
NH4Cl (1 M) 0.5 ml - -
1 Add 50 mL of 20x Basal salt stock solution and 4 g CaCO3 to 950 mL sterile double distilled water and mix all just before use.
2 Autoclave at 121 °C for 20 min.
3 Cool down to room temperature.
4 Add aseptic per liter of 1x basalt salt solution: 1 mL FeNaEDTA (7.5 mM), 1 mL trace elements solution, 1 mL Selenite-tungstate solution, 0.5 mL NH4Cl solution.
5 Adjust pH to 8.5 with NaOH.
1845 Nitrososphaera gargensis medium