Specifications

Microbiological Enumeration
15
Membrane Filters
Specifications
Design 25, 47 or 50 mm in diameter, white
Growth Promotion Test
acc. to ISO 7704
– No enhancement or inhibition by the
sterilization process
– No enhancement or inhibition due
to chemical extractables
Sterility test Sterile
Thermal resistance CN: 130°C max. | CA: 180°C max.
Thickness acc. to DIN 53105
CN: 115–145 µm | CA: 120 µm (average value)
Chemical compatibility Aqueous solutions (pH 4–8), hydrocarbons and several
other organic solvents. Detailed information in section
“Chemical Compatibility” under Cellulose Nitrate type 113
and Cellulose Acetate type 111 (page 81).
Ordering Information
Cellulose Nitrate Membrane Filters, White, for Colony Counting, Sterility Testing,
Particle Count & Microscopy, Type 113, Individually, Sterile Packaged
Pore Size Diameter Pack Size Order No.
0.45 µm 25 mm 100 11306--25----ACN
47 mm 100 11306--47----ACN
50 mm 100 11306--50----ACN
0.65 µm 47 mm 100 11305--47----ACN
50 mm 100 11305--50----ACN
0.8 µm 47 mm 100 11304--47----ACN
50 mm 100 11304--50----ACN
1.2 µm 47 mm 100 11303--47----ACN
50 mm 100 11303--50----ACN
3 µm 47 mm 100 11302--47----ACN
50 mm 100 11302--50----ACN
8 µm 47 mm 100 11301--47----ACN
50 mm 100 11301--50----ACN
Cellulose Acetate* Membrane Filters, White, for Colony Counting, Sterility Testing,
Particle Count & Microscopy, Type 111, Individually, Sterile Packaged
0.2 µm 47 mm 100 11107--47----ACN
50 mm 100 11107--50----ACN
0.45 µm 47 mm 100 11106--47----ACN
50 mm 100 11106--50----ACN
* If cellulose nitrate is not compatible