CCA - Chromogenic Coliform Agar
Lieferant: DOEHLER GROUP
Chromogenic agar medium (pH 6.8 ± 0.2) for the selective, quantitaive detection and differentiation of E.coli and coliform bacteria in water according to ISO 9308-1.
- Ready-to-use, liquefaction possible directly in the bottle
- Universally applicable (membrane filtration, pouring and spread plate method)
- Reference medium
E.coli and coliform bacteria are indicator for water quality and hygiene. Chromogenic media enables the simultaneous detection of these bacteria by colour differentiation within 24 h. The chromogenic substrates contained in the medium are cleaved by germ-specific enzymes. Resulting colour complexes stain coliform bacteria pink-red, while E.coli becomes visible through a blue staining. Tergitol-7 inhibits the Gram-positive background flora.
Standards: Functionality tested acc. to ISO 11133
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