Fecal coliform positive control sample (multi-tube fermentation method)|BNCC359094 |BNCC

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Fecal coliform positive 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 500mL of sterile water or sterile saline to dissolve. Before use, place the quality control sample at room temperature for 30min, and then in biological safety. Open the whole cabinet, add 3~4mL of sterile water immediately, suck it out after dissolving, and put it into a sterile bottle. Wash the inner wall of the vial repeatedly with the remaining sterile water, and turn it all over. Transfer to the above sterile bottle, that is, the positive quality control sample, the concentration of 300 ~ 3000MPN/L.
Growth conditions	37°C, aerobic, 18-24h
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" and "GB/T 18204.4-2013 Public Places Sanitary Inspection Methods Part 4: Microorganisms for Public Supplies"
Sharing mode	Public welfare sharing