Carolina 3M Petrifilm ColiformCount Plates Manuale di istruzioni - Pagina 4
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Stampa la pagina2. Place the Petrifilm plate on a level surface, with the gridded side down.
Lift the top film (fig. 2).
3. With pipet perpendicular to the Petrifilm plate, place 1 mL of sample
onto the center of the bottom film (fig. 3). If necessary, samples can be
diluted with distilled water, liquid culture medium, or buffers with pH
between 6.6 and 7.2.* If antibiotics are to be added to the medium, add
them to the inoculating liquid at the working concentration.
4
Figure 2
Figure 3