Graduated Seperating Funnel


A 250 mL, pear-shaped separatory funnel crafted from durable Boro 3.3 borosilicate glass. Equipped with a 19/26 ground-glass stopper and a PTFE-lined stopcock, it provides precise control and reliable phase separation for routine liquid–liquid extractions in synthetic, analytical, and educational labs.

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Key Features

  • Boro 3.3 Borosilicate Construction: Excellent chemical resistance and thermal shock durability.
  • 250 mL Capacity: Generous volume for batch extractions or small-scale syntheses.
  • 19/26 Ground-Glass Stopper: Secure, leak-free seal; compatible with other 19/26 fittings.
  • PTFE-Lined Stopcock: Smooth, drip-free operation resistant to acids, bases, and organic solvents.
  • Clear Graduations: Etched mL markings up to 250 mL for quick volume checks.
  • Pear-Shaped Body: Promotes efficient phase separation and minimizes emulsion carry-over.
  • Autoclavable & Dishwasher-Safe: Simplifies sterilization and cleaning without compromising integrity.
  • Scratch-Resistant Finish: Maintains optical clarity for easy monitoring of layer interfaces.
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