Description
Round-bottom flask with standard ground joint, 250 ml nominal capacity, produced from heat-resistant, durable borosilicate glass according to DIN EN ISO 4797. White enamel graduations and inscriptions printed on the body give clear volume indication for preparation, reaction and collection tasks. Thick wall construction, a heavy base and a reinforced rim help prevent breakage during cleaning and transport. Perfectly ground NS 29/32 necks with a smooth interior guarantee a secure, leak-tight seal when used with matching stoppers or adapters. Supplied without stopper, this flask is well suited to distillation, receiving and general laboratory heating applications. The design from manufacturer ISOLAB Laborgeräte combines mechanical strength with reliable joint geometry for routine and more demanding chemical workflows. White enamel markings remain legible under typical laboratory conditions. Ideal as a standing round-bottom or collection flask wherever a standardised NS 29/32 connection is required. The stable base supports safe placement on benches and heating equipment, while the graduated scale assists approximate volume assessment in daily analytical and preparative practice.
This article is part of Round-bottom flasks, in Beakers & flasks. See also Flat-bottom flasks.
Key features
- Pack size: 1 pc
- Capacity: 250 ml
- Joint size: NS 29/32
- Material: Borosilicate glass
- Graduation: White enamel
- EAN: 4250362624727
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Questions about flask - round bottom - glass - amber - NS neck - 250 ml - NS29/32
What is this article?
flask - round bottom - glass - amber - NS neck - 250 ml - NS29/32 is the article on this page. Luminix Health distributes ISOLAB 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.
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.