E. coli (NCTC 9001)

• Formulated in our unique lyophilized flash dissolve pellet this microbiological standard contains a pure culture that will yield 100-500cfu/mL• Equivalent to ATCC1175 • No royalty fee A lyophilized pure culture of E. coli preserved in our proprietary Microgel-Flash™ quick dissolve matrix. Formulated at 1000-2000cfu level and supplied as a package of 10 or 20 individually vacuum sealed pellets. Uniquely designed as a quantitative control for all of your water coliform analyses. Accompanying COA lists value assignments for 6 water coliform test parameters: Total coliform, Fecal Coliform and E. coli by MPN methods as well as Total Coliform, Fecal coliform and E.coli by SM Plate Count Methods making this CRM a very useful product in your laboratory. Stores -10C to -20C. Derived from NCTC 9001. Stable for 14 months from manufacture. At least 6 months shelf life remains on shipped product.

These microbiological reference materials are designed for use as quantitative control for environmental water analysis. To use, simply transfer the pellet to a sterile room temperature hydration fluid. The culture pellet lyophilized in Microgel-Flash™ matrix dissolves almost instantly with minimum agitation and no incubation. Directly inoculate media without serial dilution for convenience.

Hydration fluid dissolves culture pellet in less than a minute|No dilution needed—hydrate then directly inoculate media|Less than 10% RSD lot precision|No more than two passages from primary strain culture|ISO 17034 accredited|No royalty fee