Description
Flat-bottom flask with standard ground joint, without stopper, Boro 3.3, white inscription, DIN EN is a standing laboratory flask for preparative chemistry, heating and sample handling. With a working volume of 250 ml and a socket joint NS 19/26, it couples securely to matching ground-joint glassware, adapters and accessories in distillation and reaction assemblies. Manufactured according to DIN EN ISO 4797 from borosilicate glass 3.3, the flask provides dimensional consistency together with the thermal and chemical resistance typical of standard laboratory borosilicate ware. White inscription supports clear labelling and rapid identification on the bench. Supplied without a stopper, the neck remains free for use with suitable stoppers or connectors as required by the method. The flat base allows stable placement on hotplates and work surfaces during heating, dissolution or short-term holding of liquids. This Normschliff standing flask from manufacturer Hecht is supplied in a multipack and is a practical choice for teaching laboratories, research groups and quality-control workflows needing a robust 250 ml flat-bottom design with NS 19/26.
This article is part of Round-bottom flasks, in Beakers & flasks. See also Flat-bottom flasks.
Key features
- Pack size: 10 pc(s)
- Product type: Flat-bottom flask with standard ground joint
- Material: Boro 3.3
- Volume: 250 ml
- Ground joint: NS 19/26
- Stopper: without stopper
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Questions about Flasks, boiling, flat bottom with socket, Boro 3.3, DIN EN ISO 4797, printing
What is this article?
Flasks, boiling, flat bottom with socket, Boro 3.3, DIN EN ISO 4797, printing is the article on this page. Luminix Health distributes Hecht for laboratory use. It sits in Round-bottom flasks, inside Beakers & flasks, in Labware.
A round-bottom flask is the heating flask of a distillation or a reflux. The curved wall takes the heat, and the ground neck connects to a still head or a condenser. The joint size, not only the volume, has to match the rest of the set.
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 Round-bottom flasks. The catalogue is Labware.
Shelves beside this one are Beakers, Erlenmeyer flasks, Reaction vessels & jacketed vessels, Flat-bottom flasks, Flasks (other) and Beaker & flask accessories.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.