Water is life! Microbiological analysis Membrane filters

Membrane filters

Sartorius membranes

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Hydrophilic membranes made of nitrate or cellulose esters or cellulose acetate.

Gridded membrane filters

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• Mixed cellulose esters membranes: composed of cellulose acetate and cellulose nitrate
• Naturally hydrophilic, biologically inert
• Sterile, individually packed

Sterile, Individual Wrap S-Pak membrane filters are made from cellulose esters. They are optimised for microbiological analysis of water and other liquids, and quality certificates attest to compliance with Standard Methods.