9K MEDIUM
Medium:
106
Solution 1:
(NH4)2SO4 3.0 g
KCl 0.1 g
K2HPO4 0.5 g
MgSO4.7H2O 0.5 g
Ca(NO3)2 0.01 g
Distilled Water 500.0 ml.
Solution 2:
FeSO4.7H2O 44.22 g
H2SO4 1.0 ml
Distilled Water 250 ml
Solution 3:
Agar 15.0 g
Distilled Water 250 ml
Sterilize solution 1 and 3 with autoclave at 121 °C for 15 minutes. Filter sterilize solution 2 and mix three solutions. Then adjust pH to 2-2.3.
For broth medium omit agar and add 250 ml distilled water to solution 1.