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Merck
CN

GTTP14250

Polycarbonate Membrane Filter, 0.22 μm Pore Size

Isopore, filter diam. 142 mm, hydrophilic

Synonym(s):

Isopore Membrane Filter

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About This Item

UNSPSC Code:
40161507
NACRES:
NB.24
eCl@ss:
32031602
Pore size:
0.22 μm pore size, 13.8 % porosity
Material:
plain filter, polycarbonate membrane, white filter
Feature:
hydrophilic
Diam.:
142 mm
Sterility:
non-sterile
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material

plain filter, polycarbonate membrane, white filter

sterility

non-sterile

feature

hydrophilic

manufacturer/tradename

Isopore, Millipore

parameter

0.007 L/min-cm2-psi air flow rate, 140 °C max. temp., 3.36 mL/min-cm2-psi water flow rate (maximum flow rate per 1.0 psi), ~16 mL/min-cm2 water flow rate at 10 psi (typical results)

diam.

142 mm

filter diam.

142 mm

thickness

25 μm

gravimetric extractables

<1%

refractive index

n/D 1.6

matrix

Isopore

pore size

0.22 μm pore size, 13.8 % porosity

bubble point

≥5.2 bar, air with water at 23 °C

shipped in

ambient

General description

The Isopore membrane is composed of a polycarbonate film, with a smooth, glass-like surface. This enables a clearer sample observation in optical or electron microscopy. It is useful in the analysis of airborne contaminants. Also, the Isopore membrane has a precise pore diameter and a consistent pore size. It may find applications in epifluorescent microscopy and chemotaxis assays.

Application

Isopore Membrane Filter has been used:
  • for the separation of respirable particles from sanded composites
  • to filter particulate organic matter (POM) from seawater
  • to concentrate the prokaryotic biomass from ocean water sample

  • Chemotaxis
  • Bioassays
  • Cytology
  • Air monitoring
  • SEM analysis
  • Sterility testing
  • Microplastics analysis
  • Microplastics analysis grade water

Features and Benefits

  • Particle retention on the surface for easy counting and analysis.
  • Isopore membranes display low background interference.
  • Rapid drying and minimal sample analysis time.
  • Translucent material.
  • Also available in a brown variety.

Legal Information

ISOPORE is a trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Possible reduction in flow rates may occur after autoclaving.


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