P-A (Presence-Absence) Broth
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SKU : MB-P1317
หมวดหมู่ : 12. Lab Equipment , MB Cell ,
แบรนด์ : MB cell
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P-A (Presence-Absence) Broth [MB-P1317]
Medium used for the isolation and identification of coliforms in treated water
PROCEDURE
Suspend 91.53 G of powder in 1 L of distilled or deionized water for the preparation of the triple strength. Heat to boiling until completely dissolved. Dispense 50 mL into 250 mL screw cap dilution bottles. Sterilized by autoclave at 121°C for 12 minutes. Cool to room temperature.
STORE
The powder is very hygroscopic. Store the powder at room temperature, in a dry environment, in its original container tightly closed and use it before the expiry date on the label or until signs of deterioration or contamination are evident. Store prepared medium at 2 - 8°C.
