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B649 |
MODIFIED DUNCAN STRONG (DS) MEDIUM |
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Formula |
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Ingredients |
gms/lit. |
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Proteose peptone Yeast extract Sodium thioglycollate Disodium phosphate Raffinose |
15.00 4.00 1.00 10.00 4.00 |
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Final pH (at 25°C) : 7.8 + 0.2 |
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Directions |
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Suspend 34 gms. in 1000ml distilled water and mix thoroughly. Sterilize by autoclaving at 15lbs pressure (121°C) for 15 minutes. Dispense into sterile tubes. Check one or two tubes for measuring the pH. |
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