Description
Evaporating flask, DURAN®, pear-shaped is a laboratory glass vessel designed for high-volume solvent removal and concentration. This pear-shaped flask features a standard ground joint NS 29/32 and a nominal capacity of 3000 ml, addressing rotary-evaporation and preparative duties that need maximum working volume within a jointed setup. Manufactured from DURAN® glass, it combines chemical resistance with the thermal stability expected of everyday laboratory glassware. The pear profile supports efficient liquid-film distribution and convenient recovery of residues following reduced-pressure evaporation. Provided as a single piece weighing 0,622 kg, the flask mates with compatible NS 29/32 condensers, adapters and rotary evaporator systems. This variant from manufacturer Lenz belongs to the well-known group of round flasks and flasks with ground glass joints employed in analytical, synthetic and preparative laboratories. The standard ground joint ensures a dependable, interchangeable connection to apparatus trains. Transparent pear-shaped walls enable visual process control and straightforward handling of larger sample batches. Select this 3000 ml DURAN® evaporating flask when substantial capacity and NS 29/32 connectivity are essential.
This article is part of Round-bottom flasks, in Beakers & flasks. See also Flat-bottom flasks.
Key features
- Pack size: 1 pc
- Product type: Evaporating flask
- Glass type: DURAN®
- Shape: Pear-shaped
- Standard ground joint: NS 29/32
- Nominal volume: 3000 ml
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Questions about Evaporating flask, DURAN®, pear-shaped, with standard ground joint 29/32, 3000ml
What is this article?
Evaporating flask, DURAN®, pear-shaped, with standard ground joint 29/32, 3000ml is the article on this page. Luminix Health distributes Lenz for laboratory use. It sits in Round-bottom flasks, inside Beakers & flasks, in Matériel de laboratoire.
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 Matériel de laboratoire.
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?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.