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Flasks
Corning™ 36L Proculture Glass Spinner Flask With 6 Vertical Sidearms
Capacity
36 L
36 L
Material
Glass
Glass
Sterility
/
/
Scientific Score
9.94
Brand
Corning
Sizes
1 (1 Unit)
Available From
1 Vendor
Price
$ 2,567.10
Catalog IDs
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Flasks
Kimble™ Kontes™ Wide Mouth Class A Volumetric Flasks
Capacity
150 mL
150 mL
Material
Borosilicate Glass
Borosilicate Glass
Sterility
/
/
Scientific Score
7.94
Brand
Kimble
Sizes
1 (1 Unit)
Available From
1 Vendor
Price
$ 86.68
Catalog IDs
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Flasks
Corning™ BioCoat™ Laminin Rectangular Canted Neck Cell Culture Flask w/Plug Seal Cap
Capacity
/
/
Material
/
/
Sterility
/
/
Scientific Score
9.58
Brand
Corning
Sizes
1 (10 Units)
Available From
2 Vendors
Price Range
$ 322.76 - $ 426.46
Catalog IDs
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Flasks
Corning™ ProCulture Gas Venting Cap With PTFE Filter For Vertical Sidearm Flasks
Capacity
/
/
Material
/
/
Sterility
/
/
Scientific Score
9.50
Brand
Corning
Sizes
1 (1 Unit)
Available From
1 Vendor
Price
$ 159.76
Catalog IDs
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Flasks
Flask 250Ml Stopper Iodine Vent Only
Capacity
250 mL
250 mL
Material
/
/
Sterility
/
/
Scientific Score
1.25
Brand
Wilmad-LabGlass
Sizes
1 (1 Unit)
Available From
1 Vendor
Price
$ 69.05
Catalog IDs
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Flasks
Cap Sealing 3/4 Inch Inner Thread
Capacity
/
/
Material
PVC
PVC
Sterility
/
/
Scientific Score
2.72
Brand
Bürkle
Sizes
1 (1 Unit)
Available From
1 Vendor
Price
$ 7.84
Catalog IDs
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Flasks
45mm Erlenmeyer Flask SKU: 2515-00250
Scientific Score
1.25
Brand
Bellco Glass
Sizes
1 (12 Units)
Available From
1 Vendor
Price
$ 321.01
Catalog IDs
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Flasks
45mm Erlenmeyer Flask SKU: 2515-01000
Scientific Score
1.25
Brand
Bellco Glass
Sizes
1 (6 Units)
Available From
1 Vendor
Price
$ 283.67
Catalog IDs
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Flasks
Centrifuge Bottles SKU: 3045-00600
Scientific Score
1.25
Brand
Bellco Glass
Sizes
1 (4 Units)
Available From
1 Vendor
Price
$ 371.42
Catalog IDs
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Flasks
Class A Baffled Fernbach Flask, Screw Cap SKU: 2552-02800
Scientific Score
2.72
Brand
Bellco Glass
Sizes
1 (1 Unit)
Available From
1 Vendor
Price
$ 210.94
Catalog IDs
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Flasks
Class A Baffled Fernbach Flask, Screw Cap SKU: 2552-02803
Scientific Score
1.25
Brand
Bellco Glass
Sizes
1 (1 Unit)
Available From
1 Vendor
Price
$ 206.70
Catalog IDs
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Flasks
DeLong Neck Erlenmeyer Flask SKU: 2511-02000
Scientific Score
1.25
Brand
Bellco Glass
Sizes
1 (3 Units)
Available From
1 Vendor
Price
$ 198.55
Catalog IDs
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Lab Flask Features

A flask, on the other hand, is similar to a beaker but has a narrow tubular neck towards the top, and sometimes a round bottom.

Of all the various laboratory flasks out there, the Erlenmeyer flask is the most well known. As stated above, flasks come in a wide variety of forms, but its most common characteristic is its wide base and narrow neck. Flask sizes depend on their selected volume and are typically graduated. Similar to beakers, lab flasks can be made of borosilicate glass or polyethylene polypropylene plastics.

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Lab Flask Options

Due to their practicality, there are a wide variety of flask types:

Reaction flask: round-bottom flasks with specialized necks to connect to other equipment like a reflux condenser. Typically made out of thick glass to withstand pressure, heat, and vacuums.

Distillation flask: As the name implies, specialized to handle liquids that are to be distilled. They come in various sizes but are made of a thinner glass to introduce more heat. Also known as a Kjeldahl flask

Reagent Flask: either flat or round-bottom and cannot withstand too much pressure or temperature differences.

Erlenmeyer flask: Shaped like a cone and come with various volumetric sizes. They are one of the most common types of flask.

Volumetric flask: For preparing liquids dependent on volumetric precision.

Dewar flask: Come in various shapes and sizes, but their common characteristic is their double-walled feature to create a near vacuum in between the glass.

Evaporating flask: Specific for rotary evaporators

Powder flask: For drying powdered substances

Retorts: An older style of flask used for distillation, but have been largely replaced by other flasks

Buechner flask: Similar to an Erlenmeyer flask, but come with a barb at the neck to attach to other lab equipment.

Culture Flask: For cell culturing