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Cellulose Nitrate Membrane Filters

Cellulose Nitrate Membrane Filters

Cellulose nitrate membrane filters are absolute filters for aqueous solutions and other compatible fluids. They are non media migrating & autoclavable. Also, they are naturally hydrophilic and biologically inert.

Five grades of pore sizes are available viz 0.22, 0.45 & 0.8, 1.2 & 5 microns. They are available in various diameters.

FEATURES & BENEFITS:

  • Absolute filtration.
  • High flow rates.
  • Narrow pore size distribution.
  • Low extractable levels.
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PRODUCT SPECIFICATIONS :

Sterilisation Autoclavable at 121°C in dry condition.
Diameters Are available in diameters of 13, 25, 47, 90, 142 & 293 mm
Max. oper. temperature 80°C continuous
Max. oper. pressure 3 Kg/ cm2
Biosafety Passes the biological tests for class VI plastics as described in USP
Oxidizable matter Passes as per USP

INTEGRITY TEST DATA :

Type Pore Size Wetting fluid Bubble Point Water Flow (ml/ min/ cm)
      Psi Kg/ Cm2  
CN 0.22μ Water 52 3.65 20
CN 0.45μ Water 33 2.32 46
CN 0.8μ Water 14 0.98 259
CN 1.2μ       364
CN       780

  • Sample preparations
  • Patch test of liquids
  • Microbiological studies
  • Filtration of aqueous solutions