Volumetric Flask, 500ml - Class A - 19/26 Polyethylene Stopper, Borosilicate Glass - Blue Graduation, Tolerance ±0.250

Name: Volumetric Flask, 500ml - Class A - 19/26 Polyethylene Stopper, Borosilicate Glass - Blue Graduation, Tolerance ±0.250
Brand: Eisco Labs
SKU: CH0446H
Price: 21.99 USD
Availability: InStock

SKU CH0446H

by Eisco Labs

In Stock - 18 Available

Expected to Ship Fri May 16

$21.99 - $21.99

$21.99

$21.99 - $21.99

$21.99

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

Description

The neck of the flask is 0.88" outside diameter. The base diameter of the flask is 4" and the overall height is 10.5". Please note: these are hand blown with the capacity in mind and overall dimensions can vary slightly.
Hand blown, Class A premium borosilicate 3.3 glass.
The stopper is socket size 19/26, made of polyethylene, and is acid proof and autoclavable.
Designed to measure and store liquids in the laboratory, but can be used in the home as well -- or even in a set for "potions".
Top rack dishwasher safe and autoclavable.

Premium borosilicate volumetric Class A flasks with acid proof polyethylene stoppers. Eisco glassware is designed to be used in labs but is often used in homes or garages as well.

NOTE: Polyethylene stoppers cannot be autoclaved. They have a temperature compatibility range of -40°C to +80°C. Remove stoppers before autoclaving the glass flask body.

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.