Carry out particulate and microbial analysis with Thermo Scientific Nalgene Filter Membranes. Available in cellulose nitrate for water quality work, cellulose acetate for cold sterilization, nylon for solvent filtration or glass-fiber prefilters for sample clean up.
Cellulose Acetate (CA)
Excellent chemical resistance to alcohol and oil
Excellent for cold sterilization of proteinaceous solutions
Able to be used in short-term contact with methyl ethyl ketone
Suited for liquid scintillation studies
Can be cleared for direct observation using paraffin or almond oil
Nonsterile, autoclavable (membrane must be wet when autoclaved)
Celluose Nitrate (CN)
Superior recovery of microorganisms
Sterility testing, food and beverage testing
0.45µm membrane meets requirements of Standard Methods for water quality work
Extremely low levels of extractablesno wetting agent
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