Fecal coliform negative control sample (multi-tube fermentation method)|BNCC359288 |BNCC

Essential Information Related Products

Fecal coliform negative control quality control sample(Multi tube fermentation method)

Culture medium	Peptone: 10.0, beef powder: 3.0, sodium chloride: 5.0, agar: 15.0,pH: 7.3±0.1(25 ℃)
Subculture procedure	Samples required a total of 200mL of sterile water or sterile saline to dissolve. Before use, place the quality control sample at room temperature for 30min, then open it in the biosafety cabinet, immediately add 3-4mL of sterile water, suck it out after dissolution, and put it into a sterile bottle, and repeatedly wash the inner wall of the vial with the remaining sterile water. Transfer the whole sample to the above sterile bottle, which is the negative quality control sample, with a total of 200mL and a concentration of 300-3000MPN/L.
Growth conditions	Culture temperature 37 ℃; Culture time 24-48 hours; Aerobic gas environment
Storage conditions	-20 ℃, protected from light
Safety level	1
application	It is suitable for the determination of fecal coliform in water quality, quality control and personnel assessment (multi-tube fermentation method). Reference standard "HJ 347.2-2018 water quality-Determination of fecal coliforms-Multi-tube fermentation method"
Sharing mode	Public welfare sharing