Dropping Funnel, 250mL - Squibb, Bent Arm - With 19/26 Plastic Stopper & Rotaflow Stopcock - Borosilicate Glass

Name: Dropping Funnel, 250mL - Squibb, Bent Arm - With 19/26 Plastic Stopper & Rotaflow Stopcock - Borosilicate Glass
Brand: Eisco Labs
SKU: CH0478C
Price: 28.99 USD
Availability: InStock

SKU CH0478C

by Eisco Labs

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May take up to 90 days to ship

$28.99 - $28.99

$28.99

$28.99 - $28.99

$28.99

Ships from Rochester, NY
US Customer Service
30-Day Return Policy

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Ships from Rochester, NY
US Customer Service
30-Day Return Policy

Please note, this item is "Build to Order" and will take up to 90 days to ship after placing your order.

Description

SQUIBB || Squibb-style bent arm dropping/separatory funnel with 250ml capacity
TRANSPARENT & DURABLE || Made of high quality Borosilicate 3.3 glass - Transparency allows for high visibility
FOR SEPARATION || Used to transfer liquids - Using the stopcock allows fluids, including reagents, to dispense slowly (drop-wise)
STOPPER & STOPCOCK || Fitted with an interchangeable 19/26 plastic stopper and rotaflow stopcock
GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD || Superior chemical durability and heat tolerance. Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use

Borosillicate glass with interchangeable plastic stopper and rotaflow stopcock. Ungraduated. Cap. 250ml, socket size 19/26

Material Info

Thermal Properties

Strain Point: 515°C
Annealing Point: 565°C
Softening Point: 820°C
Coefficient of Linear Expansion: 32.5 x 10^-7 / °C
Specific Heat: 0.2
Thermal Conductivity (Cal/cm³°C/Sec): 0.0027

Chemical Durability - Contact

Water distilled at 100°C: 6 hours - 10 mg/m² lost
Water vapour steam at 121°C: 1 hour - 75 mg/m² lost
Acid HCl: 6 hours - 100 mg/m² lost
80% H₂SO₄at 130°C: 12 hours - 140 mg/m² lost
Alkali -1N solution of Na₂CO₃boiling: 6 hours - 4000 mg/m² lost

Chemical Durability - Isotonic Infusion Fluids

NaCl (0.85%) at 121°C: 2.5 hours - 70 mg/m² lost
Glucose (5%) at 121°C: 2.5 hours - 50 mg/m² lost

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About Eisco Labs

Started over 50 years ago as a small, family-owned manufacturing company, Eisco now produces over 6,500 product lines for the science education and scientific research markets. They have headquarters in both India and the US, and serve hundreds of distributors around the world.

Their core products include glassware, physics apparatus, biology models & equipment, and chemistry lab supplies. Products are designed by a team of laboratory professionals and engineers with quality and durability in mind.