Whatman™ Sterile Cellulose MicroPlus Membrane Filters, Whatman products (Cytiva)

Supplier: Whatman products (Cytiva)
Whatman™
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28151-154PK 664 USD
CA89233-754 28151-154 CA89233-752 89233-752 CA28151-154 CA89233-750 89233-754 89233-750 74330-508 CA74330-510 CA74330-512 CA74330-514 74330-514 74330-512 CA13500-152 74330-510 CA74330-508 13500-152
Whatman™ Sterile Cellulose MicroPlus Membrane Filters, Whatman products (Cytiva)
Filters Membrane Filters
Cytiva's sterile Whatman MicroPlus-21 cellulose nitrate membrane filters are for microbiological quality control. The STL version is compatible with Membrane-Butler and other membrane filter dispensers.

  • All MicroPlus-21 membrane filters are white with a high-contrast black grid (3.1 mm)
  • Designed specifically for microbiological QC
  • High mechanical strength and flow rate
  • Tested for bubble point, bacterial retention, flow rate, recovery rate, and sterility
  • Individually packaged for convenience and sterility
  • Type STL provided in dispenser boxes with 100 numbered membrane filters for easy removal and secure handling using Cytiva's Membrane-Butler

Cytiva's business offers a range of Whatman cellulose nitrate membrane filters, including both sterile and non-sterile options in gridded and non-gridded formats.

In microbiological QC testing, liquid is first filtered through a membrane, allowing the microorganisms to collect on the surface. The filter is then incubated on a nutrient medium, and individual colonies are evaluated via a microbial contamination test.

All Whatman brand membranes used for microbiological quality control are tested systematically in order to ensure the same high quality from batch to batch. Bacterial retention, bubble point, flow rate, recovery rate, and sterility are all tested.
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