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3M - 6421 - Petrifilm Enterobacteriaceae Count Plates

  • MFR SKU: 6421
  • ITEM #: 13221533
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ITEM #: 13221533
An indicator in the 3M Petrifilm Enterobacteriaceae Count Plate colors all colonies red. The top film traps gas produced by some bacteria. Acid-producing bacteria are seen as red colonies surrounded by yellow zones. Bacteria producing gas and/or acid are considered to be presumptive Enterobacteriaceae and will have one of the following characteristics on the 3M Petrifilm Enterobacteriaceae Count plate: colonies associated with gas bubbles and no acid zones, colonies with yellow acid zones but no...
ITEM #: 13221533
An indicator in the 3M Petrifilm Enterobacteriaceae Count Plate colors all colonies red. The top film traps gas produced by some bacteria. Acid-producing bacteria are seen as red colonies surrounded by yellow zones. Bacteria producing gas and/or acid are considered to be presumptive Enterobacteriaceae and will have one of the following characteristics on the 3M Petrifilm Enterobacteriaceae Count plate: colonies associated with gas bubbles and no acid zones, colonies with yellow acid zones but no gas production, or colonies producing both gas and acid.
Petrifilm Enterobacteriaceae Count Plates
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3M - 6421 - Petrifilm Enterobacteriaceae Count Plates

  • Item #: 13221533
  • MFR SKU: 6421

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