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Sartorius Gridded Sterile Cellulose Nitrate Membrane Filters

Catalog No. p-4229356 Shop All Sartorius Products
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Diameter (Metric):
47 mm
50 mm
Quantity:
100/Pk.
1000/Pk.
Grid Color:
Black
No Grid
Pore Size:
1.2 μm
3.0 μm
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Catalog No. Diameter (Metric) Quantity Grid Color Pore Size
14-555-571 47 mm 100/Pk. No Grid 3.0 μm
5090117739 47 mm 1000/Pk. Black 1.2 μm
5090117740 50 mm 1000/Pk. Black 3.0 μm
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Catalog No. 14-555-571 Supplier Sartorius Supplier No. 1130247ACN
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Description

Membrane Filters for Colony Counting, Particle Testing and Microscopy - Cellulose nitrate (cellulose ester), gridded, individually, sterile packaged

Sterile, individually packaged filters have long become standard for routine microbiological quality control because of the user benefits they offer. They are pre-sterilized and ready-to-use and save preparatory time. As they are individually packaged, they avoid the possibility of contamination of remaining filters in opened packs and conform with GLP, having filter identification and lot number printed on each individual envelope.The increasing demand on these filters required the construction of a new packaging machine with ultra-modern stamping. Each membrane is checked to ensure it is not damaged in any way, is positioned correctly with no slippage under the edge seal, has perfect grid printing and is free of particles. Each envelope is checked for readable lettering.These membrane filters are in accordance with the following norms: ISO 7704, ISO 7899-2, ISO 8199, ISO 9308-1 and EN 12780. In addition to this they have been manufactured for use especially at the same time with Sartorius Nutrient Pad Sets in accordance with many international regulations and recommendations: international pharmacopoeias, DIN and ISO Standards, the American Standards for Water and Foods, mineral water regulations, brewery guidelines, such as MEBAC or EBC, and recommendations of the food industry, such as LMBG, NCA and ICUMSA.All membranes are made of cellulose nitrate (cellulose ester), a material which assures effective retention with high flow rates and optimum colony growth. The printed grid divides the filtration area into 130 squares, each measuring 3.1 x 3.1 mm makes the counting easier, especially for higher bacteria counts and for micro-colonies, but does not influence the growth. The various filter colors allow the best contrast to the colonies or particles.

  • Outstanding recovery rates for microorganisms
  • High Flow membranes available
  • Certified quality
  • Gamma irradiated, 25kGray
TRUSTED_SUSTAINABILITY

Specifications

Color White
Disposable Single-use
Filter Type Membrane Filter
Format Disc
Material Cellulose Nitrate
Material (Membrane) Cellulose Nitrate
Pore Size 3.0 μm
Sterility Sterile
Grid Color No Grid
Hydrophobicity Hydrophilic
Quantity 100/Pk.
Surface Type No Grid
Type Membrane Filter
Diameter (Metric) 47 mm
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