- Capacity: 250 mL.
- Joint Size (24/29): This indicates a Standard Taper (ST) or Interchangeable Joint with a 24 mm outer diameter at the widest part and a 29 mm length. It is a common European ISO standard.
- Dimensions: Typically stands approximately 140–145 mm tall with a flask diameter of roughly 85 mm.
- Material: Manufactured from 3.3 Borosilicate glass, known for high thermal shock resistance and chemical durability.
Key Features & Applications
- Heating & Distillation: Ideal for uniform boiling and as a distilling flask in rotary evaporators.
- Reflux Setups: Often used in organic synthesis where a condenser is attached to the neck to return vapors to the flask.
- Vacuum Resistance: The spherical shape evenly distributes stress, making it safer for vacuum applications compared to flat-bottomed flasks.
- Interchangeability: The 24/29 ground glass joint ensures a leak-proof, airtight connection to other standard lab equipment like adapters and columns.
Usage Considerations
- Support: Due to the round bottom, it cannot stand on its own and requires a cork ring, heating mantle, or lab stand with clamps.
- Cleaning: Can be cleaned with standard solvents and is typically autoclavable.
Are you looking for compatible condensers or stoppers to use with this specific 24/29 joint size?
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