Description
A lyophilized pure culture of Klebsiella preserved in our proprietary Microgel-Flash™ quick dissolve matrix. Formulated at 1000 - 2000cfu level and supplied as a packaged of 10 or 20 individually vacuum sealed pellets. Uniquely designed as a quantitative positive control for all of your water total coliform analyses. Accompanying COA lists value assignments for MPN and plate count methods for total coliform. Stores at -10C to -20C. Derived from NCTC 8167. Manufactured under ISO 17034 accreditation. Stable for 18 months from manufacture. At least 6 months shelf life remain on shipped product. • Stable at -10 ºC to -20 ºC, shelf life is at least 18 months from manufacture date • Robust: Performs well with all environmental methods • Precise: Between pellet variability, it is less than 10% RSD • Ideal for control charting • No royalty fees Universal Water Microbe Cocktail A single pellet to QC all of your quantitative microbiology analyses. Formulated in our unique lyophilized flash dissolve pellet, this microbiological standard contains multiple organisms that in aggregate allow the analyst to QC the following water microbiology tests at the following approximate activity levels: Total Coliform . . . . . . . . . . . . . . . . . 2400 CFU/100 mL E. coli . . . . . . . . . . . . . . . . . . . . . . 1000 CFU/100 mL Fecal Coliform . . . . . . . . . . . . . . . . . . 500 CFU/100 mL P. aeruginosa . . . . . . . . . . . . . . . . . 1000 CFU/100 mL Enterococci . . . . . . . . . . . . . . . . . . 1000 CFU/100 mL HPC . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 CFU/mL Actual values are listed on accompanying COA. Standard is derived from pure NCTC cultures, never more than two passages from primary strain culture. Compatible with numerous environmental methods including MTF, IDEXX and plate count methods.