Standard quality control sample for heat-resistant coliform bacteria in drinking water (filter membrane method)|363222 |BNCC

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Standard quality control samples of heat-resistant coliform bacteria in drinking water

Subculture procedure	sample needs to be dissolved in a total of 100mL sterile water or sterile physiological saline. Before use, place the quality control sample at room temperature for 30 minutes, then open it in a biosafety cabinet and immediately add 3-4mL of sterile water. Dissolve it and aspirate it into a sterile bottle. Repeat the washing of the remaining sterile water on the inner wall of the penicillin bottle and transfer it all to the above sterile bottle. This is the standard quality control sample, which is 100mL in total and has a concentration of 10-100CFU/100mL.
Growth conditions	30 ℃; 24-48 hours; aerobic;
Storage conditions	-20 ℃, stored away from light
Safety level	1
Sharing mode	Public welfare sharing