These filter discs may be autoclaved at 121°C for 15-20 minutes. The filters may be wrapped in aluminum foil or placed in an autoclavable filter holder. Use autoclave settings for a wet tank with slow exhaust for optimal results.
GTTP04700
Polycarbonate Membrane Filter, 0.22 μm Pore Size
Isopore™, filter diam. 47 mm, hydrophilic, white
Synonym(s):
Hydrophilic polycarbonate membrane filter, Isopore™ Membrane Filter, Polycarbonate membrane filter discs
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About This Item
UNSPSC Code:
40161507
eCl@ss:
32031602
NACRES:
NB.24
Pricing and availability is not currently available.
Recommended Products
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)
filter diam.
47 mm
thickness
25 μm
gravimetric extractables
<1%
color
white
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
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General description
The Isopore™ membrane is a polycarbonate, track-etched screen filter recommended for all analyses in which the sample is viewed on the surface of the membrane. Isopore™ membrane offers distinct advantages for the analysis of airborne contaminants and other particles using optical or electron microscopy. The Isopore™ membrane is composed of polycarbonate film, which has a smooth, glass-like surface for clearer sample observation. The unique manufacturing process of the membrane ensures a precise pore diameter and a consistent pore size for accurate separation of samples by size. Matched-weight filters are not usually required because of low, constant tar and ash weights.
Application
- Chemotaxis
- Bioassays
- Cytology
- Air monitoring
- SEM analysis
- Sterility testing
- Microplastics analysis
- Microplastics analysis grade water
Features and Benefits
- Membrane structure retains particles on the surface, simplifying counting and analysis
- Isopore™ membranes do not stain, resulting in low background interference
- Non-hygroscopic, allowing for rapid drying and reduced sample analysis time
- Translucent material does not require clearing for transmitted light microscopy; also available in brown variety
Caution
Possible reduction in flow rates may occur after autoclaving.
Legal Information
ISOPORE is a trademark of Merck KGaA, Darmstadt, Germany
Certificates of Analysis (COA)
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How do you sterilize these filters? Can you autoclave the entire package, or must you sterilize the filters individually?
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