Whatman
Cellulose Nitrate Membrane Circle, Plain, 12 um, 50mm, 100/Pk SKU: 10400014

Cellulose Nitrate (CN) Membrane Filters - 10400014

The 10400014 combines a controlled pore size distribution with low extractable levels, ensuring the data accuracy that sensitive analytical methods require. Quality-controlled manufacturing ensures the filtration medium delivers the retention efficiency and throughput that demanding laboratory protocols require. Each membrane disc reflects a manufacturing standard where retention characteristics, physical integrity, and dimensional accuracy are verified before release.

Material Specifications

• Autoclavable at 121°C without loss of integrity, cellulose nitrate membranes maintain their rated pore structure and dimensional stability through repeated sterilization cycles.
• Dissolves completely in specific organic solvents, enabling full recovery of captured particles from the membrane surface for downstream gravimetric, chemical, or spectroscopic analysis.
• Cellulose nitrate membranes feature a narrow pore size distribution and low extractable levels, providing the controlled retention characteristics required for gravimetric and particulate analysis.
• Temperature rating of 80°C provides the thermal headroom required for warm sample processing, heated media preparation, and elevated-temperature analytical methods.
• Naturally hydrophilic and compatible with aqueous solutions, cellulose nitrate delivers high flow rates and rapid wet-out without requiring pre-conditioning or surfactant treatment.

Air monitoring and stack emissions sampling demand a filter medium that withstands the thermal and chemical conditions at your collection point — the material properties described above define the operating envelope for your application. The high protein binding capacity of cellulose nitrate provides the strong surface adsorption that your blotting protocols depend on, immobilizing target molecules efficiently for detection with minimal wash-off during subsequent processing steps. If you need help matching a membrane chemistry and pore size to your sample matrix, Tisch Scientific's technical staff can walk you through the selection process and provide application-specific recommendations.

For more information about chemical compatibility, please review our Chemical Compatibility Chart.

Diameter

50mm

Material

Cellulose Nitrate (CN)

Pore Size (µm)

12

Sterility

Nonsterile

Wetability

Hydrophilic

• Gravimetric Analysis - Captures total suspended solids from liquid samples on a weighed disc, ensuring accurate mass measurements for reporting.
• Air Particulate Sampling - Traps airborne dust and pollen on a positioned open-face filter disc for subsequent microscopic or chemical analysis.
• Radiometric Counting - Collects radioactive precipitates for scintillation counting, providing a consistent geometry for accurate data measurement.
• Quality Control Testing - Serves as a standard check filter for routine batch purity tests, verifying the absence of visible physical contaminants.
• Vacuum Clarification - Utilized in Buchner funnels to rapidly remove particulates from large-volume batches of non-critical laboratory buffers.
• Stack Pre-filtration - Acts as a spacer or depth layer in multi-tier filtration stacks to extend the life of the final downstream membrane.