Lab Products


Cellulose Nitrate & Acetate, hydrophobic edged, sterile


Ultramicro balances Cubis®
 
 

 

Hydrophobic edge membranes are used mainly for colony count and sterility testing of solutions containing substances with antibiotic characteristics. The hydrophobic edge avoids the penetration of any growth-inhibitory substance into the membrane clamp zone wherefrom it could not be rinsed out and the substance could inhibit microbial growth during incubation.
  • outstanding recovery rates for microorganisms

  • defined particle retention

  • outstanding recovery rates for microorganisms

  • 0.2 µm are validated by BCT

  • certified quality

  • Individually, sterile packaged
The membranes are available in three different materials:
25, 47 or 50 mm in diameter, white
    Cellulose nitrate (cellulose ester), a material which assures effective retention with high flow rates and optimum colony growth
  • Cellulose acetate, a material which combines high flow rates and thermal stability with very low adsorption characteristics

  • Regenerated Cellulose, a material which combines excellent chemical and thermal stability with very low adsorption characteristics