HiMedia Gridded Cellulose Nitrate (CN) Membrane Filters with a 0.22 µm pore size are specialized laboratory tools used primarily for microbiological testing and the sterile filtration of reagents. The 47 mm diameter is a standard size for use with vacuum filtration manifolds and funnels in water, food, and beverage analysis.
Key Specifications
HiMedia’s membranes are designed for high-efficiency retention of microorganisms and particles:
• Pore Size: 0.22 µm, ideal for removing most bacteria and ensuring sterile filtration.
• Diameter: 47 mm.
• Material: Cellulose Nitrate (CN), also known as nitrocellulose, offering high non-specific adsorption and a fine, uniform pore structure.
• Gridded Surface: Features non-toxic ink grids that facilitate easy and reliable counting of colonies without inhibiting bacterial growth.
• Flow Rate: Approximately 20 ml/min/cm² at 10 psi (20°C).
• Maximum Pressure: Rated for operating pressures up to 3 Kg/cm².
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