mdi’s Grid Marked Cellulose Nitrate Membranes feature a convenient surface grid that facilitates quantification of colonies.
The Gridded Cellulose Nitrate Membranes are validated for:
- Inhibitory effect of ink grids on membrane filters per ASTM D 4200-82
- Microbial recovery
- Microbial retention
- Product microbiology
- Water microbiology
Available Pore Sizes: 0.2 µm, 0.45 µm, and 0.8 µm