Beschrijving
Nalgene™ analytical filter funnel is a sterile, disposable filtration unit for microbiological quality-control procedures and analytical testing of water, foods and beverages, raw materials and finished products. Each funnel offers a nominal volume of 100 mL and contains a 47 mm cellulose nitrate membrane with a pore size of 0,45 µm. The membrane surface is white with a black grid print, supporting colony enumeration and clear visual reading after filtration. Units are supplied as a case of 50 pieces and are designed for use with filter manifolds and filter flasks. The funnels meet US APHA standard methods and US EPA requirements for water-quality testing, as well as ISO 7704 certification. Membrane construction is cellulose nitrate / mixed cellulose ester (CN, MCE). These analytical filter funnels from manufacturer Thermo Scientific provide an economical single-use format for laboratories that perform routine microbial checks and product or environmental analyses. Defined pore size, gridded membrane and sterile supply support efficient sample processing in quality-control workflows.
This article is part of Büchner & filter funnels, in Funnels.
Key features
- Pack size: 50 pc(s)
- Volume: 100 mL
- Membrane diameter: 47 mm
- Pore size: 0,45 µm
- Membrane material: Cellulose nitrate (CN, MCE)
- Grid: White with black grid print
- Technical Information Sheet:
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Questions about Nalgene™ Single Use Analytical Filter Funnels
What is this article?
Nalgene™ Single Use Analytical Filter Funnels is the article on this page. Luminix Health distributes Thermo Scientific - Laboratory Plastics for laboratory use. It sits in Büchner- & filtertrechters, inside Trechters, in Labmateriaal.
A Büchner funnel is a perforated porcelain or plastic plate used with a rubber cone and vacuum to pull liquid through a filter paper. A filter funnel is the glass cone that holds a folded paper under gravity. The plate diameter decides the paper size.
A funnel guides a liquid or a powder into a narrower mouth. A filter funnel holds a paper. A Büchner funnel is the flat perforated plate used with vacuum. A separating funnel has a stopcock so two liquid layers can be run off one at a time. A dropping funnel adds a reagent slowly into a reaction. The bore and the stopcock are the parts that matter. This glassware is listed under ISO laboratory glassware.
Which category should I open next?
The category is Trechters. The sub-category is Büchner- & filtertrechters. The catalogue is Labmateriaal.
Shelves beside this one are Trechters (kunststof, glas & staal), Druppeltrechters, Scheitrechters and Poedertrechters.
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.