Description
Erlenmeyer flask with graduation made from borosilicate glass 3.3 and fitted with an NS glass stopper provides a stoppered conical vessel for laboratory liquid handling. Nominal volume is 250 ml, with ground joint sleeve NS29/32 for a secure glass-to-glass closure at the neck. Graduation markings on the flask wall allow quick visual volume checks during mixing, dilution, and intermediate storage of solutions. The borosilicate glass 3.3 body follows established labware practice for chemical and thermal service in routine workflows. Its wide base and tapering neck support controlled swirling with reduced risk of spillage, while the NS stopper helps keep contents protected when the flask is set aside. Delivered as a pack of 6 pc(s) from manufacturer Hecht, the set suits benches that require multiple matched 250 ml graduated Erlenmeyer flasks with the larger NS29/32 joint. Applications include general sample preparation, reagent handling, and educational or quality-control laboratories where graduated stoppered Erlenmeyer flasks are preferred over open beakers. NS29/32 joint geometry aligns with standard ground-glass accessories of the same size.
This article is part of Erlenmeyer flasks, in Beakers & flasks.
Key features
- Pack size: 6 pc(s)
- Type: Erlenmeyer flask with graduation
- Material: Borosilicate glass 3.3
- Volume: 250 ml
- Ground joint: NS29/32
- Stopper: NS glass stopper
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Questions about Flasks, erlenmeyer, (conical) narrow neck with socket, with glass stopper, Boro
What is this article?
Flasks, erlenmeyer, (conical) narrow neck with socket, with glass stopper, Boro is the article on this page. Luminix Health distributes Hecht for laboratory use. It sits in Erlenmeyer flasks, inside Beakers & flasks, in Labware.
An Erlenmeyer, or conical, flask has a flat base and a narrowing wall so a liquid can be swirled. It is the ordinary culture and titration flask. A baffled wall is a different article, used when the swirl must turn the liquid over.
A beaker is an open working vessel: easy to pour, poor as a measure. An Erlenmeyer flask has a flat base and a conical wall so a liquid can be swirled without climbing out. A round-bottom flask is for heating under a condenser, because the heat meets a curved wall and the joint at the neck connects to the rest of the glassware. Borosilicate is the glass that survives the temperature change. These forms are listed under ISO laboratory glassware.
Which category should I open next?
The category is Beakers & flasks. The sub-category is Erlenmeyer flasks. The catalogue is Labware.
Shelves beside this one are Round-bottom flasks, Beakers, Reaction vessels & jacketed vessels, Flat-bottom flasks, Flasks (other) and Beaker & flask accessories.
What should I check before I order?
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.