Standard substance for plate count of Escherichia coli in water quality|BNCC374585 |BNCC

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  • Quality control sample of Escherichia coli in drinking water-BNCC

Quality control sample of Escherichia coli in drinking water

  • Price： Contact
  • number：BNCC374585
  • Packing：Syringa;(2.9±1.0)× 10 ^ 2CFU/mL
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Quality control sample of Escherichia coli in drinking water
Culture medium Peptone: 10.0, beef powder: 3.0, sodium chloride: 5.0, agar: 15.0,pH: 7.3±0.1(25 ℃)
Subculture procedure Take out the quality control sample from the refrigerator at -20 ℃, place it at room temperature for balance for 30 min, then open it in the biosafety cabinet, immediately add 5mL of sterile water or sterile physiological saline to redissolve the freeze-dried quality control substance, and prepare the sample suspension after fully mixing, which is the quality control sample with a concentration of 3000 ~ 9000CFU/mL.
Growth conditions 37°C, aerobic, 18-24h;
Storage conditions -20 ℃, dark and refrigerated; ice bag transportation
Safety level 2
Sharing mode Public welfare sharing
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