Unit Dose™ cultures are formulated to deliver less than 100 CFU per pellet. Directly inoculate media without dilution. Pellets dissolve instantly. Quantitatively validated and traceable cultures are Certified Reference Materials with downloadable Certi

Microbiological CRMs designed Petrifilm® methods.

Pure bacterial culture in an easy to use swab stick. Simple snap valve design releases hydration fluid with a simple press of the plastic valve stem. Cultures are supplied in flash dissolve format, dissolving without agitation or incubation in less tha

Microbiological CRMs designed Petrifilm® methods.

Manufactured from USP specified pure organism strains using media and procedures conforming to USP specifications. Each organism strain is supplied in a kit of 10 individual samples and 10 vials of sterile hydration fluid.

A pure culture of A. terreus,  NCTC 981, packaged in an easy to use inoculating swab stick.  Simple snap valve design releases hydration fluid with a press of the plastic stem valve.  Culture pellet supplied in Microgel-Flash quick dissolve matrix, dis

A pure culture of A. fumigatus,  NCTC 982, packaged in an easy to use inoculating swab stick.  Simple snap valve design releases hydration fluid with a press of the plastic stem valve.  Culture pellet supplied in Microgel-Flash quick dissolve matrix, d

A pure culture of A. flavus, NRRL 1957, packaged in an easy to use inoculating swab stick. Simple snap valve design releases hydration fluid with a press of the plastic stem valve.  Culture pellet  supplied in Microgel-Flash quick dissolve matrix, diss

A pure culture of A. niger,  NRRL 326, packaged in an easy to use inoculating swab stick.  Simple snap valve design releases hydration fluid with a press of the plastic stem valve.  Culture pellet supplied in Microgel-Flash quick dissolve matrix, disso

A 40 gram sample designed for the DI water extraction procedure followed by analyses. Formulated in the NELAC required range where applicable.

A 30 gram sample supplied ready to use. Designed for use by EPA Method 8151. Contains all NELAC analytes plus a subset of the other analytes. Supplied in duplicate.