Description
Cylindrical separating funnel 50 ml NS 19/26, graduated is a compact borosilicate glass 3.3 vessel intended for small-scale liquid–liquid extractions and phase separations. The cylindrical, graduated body allows straightforward volume assessment while the solid ground-joint stopcock plug with 2,5 mm bore provides precise control when releasing the lower phase. An NS polyethylene stopper seals the NS 19/26 joint, ensuring a secure closure during shaking and settling. Its modest capacity and clear glass construction make it well suited to micro-preparative work, method development and teaching laboratories where limited sample volumes are processed. Offered as a pack of two pieces from manufacturer Witeg, the funnel combines chemical resistance of borosilicate glass 3.3 with reliable joint geometry for routine organic and analytical workflows. Net weight is 0,063 kg. Graduations, solid stopcock and PE stopper together support efficient, repeatable separations at the 50 ml scale.
This article is part of Separating funnels, in Funnels.
Key features
- Pack size: 2 pc(s)
- Capacity: 50 ml
- Material: Borosilicate glass 3.3
- Joint size: NS 19/26
- Stopcock bore: 2,5 mm
- Design: Cylindrical, graduated
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Questions about Separatory funnel Cylinder 50ml ST 19/26
What is this article?
Separatory funnel Cylinder 50ml ST 19/26 is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Separating funnels, inside Funnels, in Labware.
A separating funnel lets two immiscible liquids settle into layers and then runs off the lower one through a stopcock. The shape, Squibb or pear, changes how sharp the interface is as the last millilitres leave. The stopper and the stopcock are both needed.
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 Funnels. The sub-category is Separating funnels. The catalogue is Labware.
Shelves beside this one are Funnels (plastic, glass & steel), Büchner & filter funnels, Dropping funnels and Powder funnels.
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.
How does ordering and shipping work?
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.