Total bacterial count standard substance in water quality|374021 |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： $ 186
  • number：BNCC374021
  • Packing：penicillin bottles；(2.2±0.4)×10^3CFU/vial；single tube
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Quality control sample of total bacterial count in drinking water
Culture medium BNCC352239
Description Nutrient Agar
Composition Peptone:10.0g, Beef Extract Powder:3.0g, NaCl:5.0g, Agar:15.0g, pH:7.3±0.1(25℃)
Growth conditions 37 ° C, aerobic, 18-24h;
Subculture procedure 1.Culture the bacteria under appropriate conditions to obtain a bacterial suspension.2.Measure the absorbance of the bacterial suspension and calculate its initial concentration using the standard formula.3.Multiply the initial concentration by the survival rate to obtain the post-lyophilization actual concentration.4.Dilute the bacterial suspension to achieve the target concentration based on the post-lyophilization actual concentration, followed by aliquoting and lyophilization.
Storage conditions -20 ° C, refrigerated in the dark; Ice pack transportation
Sharing mode Public welfare sharing
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