Beschrijving
Graduated dropping funnel 100 ml is a cylindrical laboratory funnel intended for accurate, controlled addition of reagents in chemical synthesis and preparative work. Equipped with socket NS 14,5/23 and a drain tube featuring cone NS 14,5/23 plus drip tip, it integrates readily into standard ground-joint assemblies. A PTFE stopcock (NS 12,5) with 2,5 mm bore delivers reliable, chemically inert flow regulation for dropwise or continuous dosing. Graduations allow direct volume reading during addition. Constructed from borosilicate glass 3.3, the funnel withstands typical laboratory thermal and chemical stresses. Nominal volume is 100 ml (0,1 l) and net weight is 0,134 kg, offering a practical mid-size capacity for everyday dosing applications. Supplied in the familiar cylindrical graduated format from manufacturer Rettberg, it is well suited to organic reactions, extractions, and general laboratory dosing where NS 14,5/23 joints and a PTFE stopcock are preferred. The drip-tip outlet supports clean, residue-minimised transfer into receiving vessels.
This article is part of Dropping funnels, in Funnels.
Key features
- Pack size: 1 pc
- Nominal volume: 100 ml (0,1 l)
- Material: Borosilicate glass 3.3
- Joints: socket NS 14,5/23, cone NS 14,5/23 with drip tip
- Stopcock: PTFE NS 12,5, bore 2,5 mm
- Design: cylindrical, graduated
- Technical Information Sheet:
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Questions about Dropping funnel, 100 ml, graduated, cone/socket size 14,5/23,
What is this article?
Dropping funnel, 100 ml, graduated, cone/socket size 14,5/23, is the article on this page. Luminix Health distributes Rettberg for laboratory use. It sits in Druppeltrechters, inside Trechters, in Labmateriaal.
A dropping funnel adds a liquid slowly into a closed reaction through a stopcock and usually a ground joint. A pressure-equalising arm keeps the funnel from air-locking. The joint size and the volume are the specification.
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 Druppeltrechters. The catalogue is Labmateriaal.
Shelves beside this one are Trechters (kunststof, glas & staal), Büchner- & filtertrechters, Scheitrechters and Poedertrechters.
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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.