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B992 |
COLIFORM MEDIUM (CM) |
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Formula |
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Ingredients |
gms/lit. |
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Proteose peptone Yeast extract Bile salts Lactose Sodium deoxycholate Sodium lauryl sulphate Bromo cresol purple |
10.00 6.00 20.00 20.00 0.10 1.00 0.025 |
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Final pH (at 25°C) : 7.0 + 0.2 |
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Directions |
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Suspend 57.1 gms. in 1000 ml. distilled water. Heat if necessary to dissolve the medium completely. Dispense as desired and sterilize by autoclaving at 15lbs pressure (121°C) for 15 minutes (25 minutes for yogurt testing) |
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