GVS Filter, Disk, PES, 0.45µm, 293mm, 25/PK 1214760

Mixed cellulose ester (MCE) nitrocellulose membrane disc designed for laboratory filtration and microbiological analysis. The membrane is unsupported and hydrophilic, composed of a mixture of cellulose nitrate and cellulose acetate polymers, and is supplied as white, gridded 47 mm discs with 0.22 µm nominal pore size in packs of 100. Typical uses include aqueous filtration, microbiological enumeration, bioburden and sterility testing, and gravimetric particulate analysis.

Key Features:

• Membrane type: Mixed Cellulose Esters (MCE) / Nitrocellulose
• Pore size: 0.22 µm
• Diameter: 47 mm
• Color and format: White, gridded discs
• Pack quantity: 100 per pack
• Support: Unsupported, hydrophilic membrane
• Composition: Mixture of cellulose nitrate and cellulose acetate polymers

Advantages:

• High flow rate and throughput from uniform microporous structure for efficient filtration.
• Gridded white surface facilitates colony counting and visual analysis for microbiological applications.
• Hydrophilic, unsupported construction enables direct aqueous filtration without pre-wetting agents.
• Low extractables and lot-to-lot consistency support reproducible analytical and QC results.