3M™ Petrifilm™ Rapid
Coliform Count Plates
Fast,
Accurate Coliform Enumeration
The
3M™ Petrifilm™ Rapid
Coliform Count Plate is a sample-ready-culture medium system that contains
Violet Red Bile (VRB) nutrients, a cold-water-solube gelling agent, a pH
indicator to detect acid and a tetrazolium indicator that facilitates
colony enumeration. The plates are designed to provide fast, accurate
results in detecting coliform contamination which is particularly useful
for the food and dairy industries.
Coliform
colonies may begin to appear at 6 hours of incubation as discrete yellow
zones indicating colony forming units. Presumptive coliforms may be
recorded at 14 hours. Confirmed coliform will appear as red colonies with
or wothout gas (depending on the method followed) after 8-24 hours of
incubation.
- Coliform
results in 6-14 hours. Confirmed results at 24 hours
- Highly
sensitive indicator provides faster results
- Plates
are supplied as ready-to-use, eliminating media preparation
Rapid
Coliform results in 3 easy steps: -
Product Information
Interpretation Guide
Instruction
