Description
Cellulose nitrate (CN) membrane filters with a pore size of 1,2 µm and a diameter of 47 mm are laboratory filtration discs manufactured from cellulose nitrate, also known as cellulose mixed ester (CN, MCE). They support applications including colony count determination, particle testing, microscopy and sterility testing, where controlled pore size and diameter are important for reproducible sample preparation. This non-sterile bulk pack contains 1000 pieces and is intended for higher-throughput microbiological and analytical filtration work that does not call for individually sterile membranes. The CN/MCE composition offers the handling characteristics commonly expected for aqueous filtration and related laboratory examinations. From manufacturer Sartorius, the pack has a net weight of 1,080 kg and fits established consumable inventories in microbiology and quality-control environments. Specifying 1,2 µm pores and a 47 mm diameter allows clear matching to method requirements for particle retention and colony-related procedures. These membrane filters provide a practical large-pack option when laboratories need consistent CN membrane dimensions for routine filtration, inspection and testing workflows.
This article is part of Carbohydrates & sugars, in Biochemicals & reagents.
Key features
- Pack size: 1000 pc(s)
- Storage temperature: Room Temperature
- Pore size: 1,2 µm
- Diameter: 47 mm
- Material: cellulose nitrate, cellulose mixed ester (CN, MCE)
- Sterility: non-sterile
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Questions about CN white - black, sterile, 1.2 m
What is this article?
CN white - black, sterile, 1.2 m is the article on this page. Luminix Health distributes Sartorius for laboratory use. It sits in Carbohydrates & sugars, inside Biochemicals & reagents, in Life Science & Microbiology.
A carbohydrate reagent is a sugar or a derivative, specified by identity, anomer where it matters, and purity. Hydrate and anhydrous forms change the mass. A culture-grade sugar and an analytical standard of the same name are different bottles.
A biochemical is a molecule of life, sold as a reagent: an amino acid, a sugar, a nucleotide, a lipid, an enzyme, an antibiotic. The difference from a bulk chemical is that the use is a biological one, and the impurities that matter are the ones that change that use. An enzyme is specified by activity, not only by mass. An antibiotic is specified by potency. Papers are on PubMed. Structures are on PubChem. Strains and lines that consume these reagents are at ATCC.
Which category should I open next?
The category is Biochemicals & reagents. The sub-category is Carbohydrates & sugars. The catalogue is Life Science & Microbiology.
Shelves beside this one are Amino acids & peptides, Coenzymes, nucleotides & vitamins, Biochemicals (other), Enzymes & substrates, Antibiotics & antimycotics, Lipids, steroids & fatty acids and Detergents & surfactants.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

