Quality control sample of total number of colonies in drinking water (plate counting method)|BNCC360334 |BNCC

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  • Quality control sample of total bacterial count in drinking water-BNCC

Quality control sample of total bacterial count in drinking water

  • Price： Contact
  • number：BNCC360334
  • Packing：Syrup; 3000 ~ 9000CFU/mL
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Quality control sample of total bacterial count 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 7mL 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
application "GB/T 5750.12-2023 Standard Test Methods for Drinking Water Microbial Indicators Total Colony Plate Counting Method" and "HJ 1000-2018 Determination of Total Bacteria in Water Quality Plate Counting Method" The strain numbers required for production are: BNCC269342, BNCC286903, BNCC238481 and BNCC293727.
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