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Thermo Scientific™ Nalgene™ Filter Membranes Available on GSA/VA Contract for Federal Government customers only.

Carry out particualte and microbial analysis with these filter membranes. Available in various forms for water quality work, cold sterilization or sample clean up.

Manufacturer:  Thermo Scientific™ DS02154045

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Catalog No. 09-740-5C

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Must be wet when autoclaved



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
  • Nonsterile, autoclavable

Nylon (NYL)

  • Extremely low levels of extractables—no wetting agent
  • Aqueous and organic solvent filtrations
  • Sterilize buffers and culture media
  • Use with HPLC solvents
  • Nonsterile, autoclavable

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Filter Membranes
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