Volumetric Flasks
Volumetric Flasks
Volumetric flasks, also called graduated flasks or measuring flasks, are items of laboratory glassware or plasticware calibrated and labelled to contain a specified volume of reagents, solvents, or other liquids.
Volumetric flasks are often used to create chemical solutions. Many are manufactured and calibrated in ISO/IEC-certified laboratories and meet different ASTM and ISO standards of quality and dependability.
Volumetric flasks are typically pear shaped, with a flat base and long neck. They typically feature a single graduation ring etched or marked on the neck to define the specified fill level. They may also be supplied with a glass or plastic stopper.
Volumetric flasks come in capacities from 1 mL to 4 L and may be manufactured from either glass (borosilicate or soda lime) or autoclavable and chemical-resistant plastics such as polymethylpentene, polypropylene, or PFA. Glass versions may be clear, colored, or coated for handling light-sensitive liquids. Plastic flasks offer the advantage of being break-resistant and may also offer lower extractable profiles.
A Kohlrausch volumetric flask is modified to help transfer large amounts of solids into the flask for dissolution; it is commonly used to measure the sugar content of sugar beets. A Le Chatelier flask is designed for specific gravity determinations.
What Is the Difference Between Class A and B Volumetric Flasks?
Class A flasks are manufactured to high standards of precision for critical analytical work (often with a unique serial number for traceability), whereas Class B flasks offer less accuracy and are therefore more suitable for less demanding applications such as qualitative or educational use. Volumetric flasks are important items in a range of laboratory environments in both research and industry.
What Are Typical Applications of Volumetric Flasks?
• Preparation of standard solutions
• Preparation of series dilutions
• Filling, measuring, and decanting precise volumes of liquid
• Calibrating other containers and devices
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Filtered Search Results
Eisco™ Class A Glass Volumetric Flask with Stopper
Science Education
A science education product.
A science education product.
Class A Glass Volumetric Flask with Stopper - Features a flat bottom design, single graduation, and blue print markings.
Disposable | Reusable |
---|---|
Neck Style | Long |
Mouth Style | Beaded |
Color | Clear |
Bottom Shape | Flat |
Material | Borosilicate Glass (3.3) |
For Use With (Application) | Prepare Chemical Solution |
Sterility | Non-sterile |
Closure Material | Borosilicate Glass 3.3 |
Graduated | Yes |
Class | A |
Closure Color | Clear |
Closure Type | Glass Stopper |
Autoclavable | Autoclavable |
Corning™ PYREX™ Class A Volumetric Flask with Glass Standard Taper Stopper
Science Education
A science education product.
A science education product.
Improved lab convenience, broad selection and precise volume measurement as well as being manufactured to Class A tolerances
Bottom Shape | Flat |
---|---|
Class | A |
Eisco™ Class A ASTM Glass Volumetric Flask with Polypropylene Stopper
Science Education
A science education product.
A science education product.
Made of high quality Borosilicate 3.3 glass in compliance with ASTM-E288 standards. With chemically resistant polypropylene stopper.
Graduated | Yes |
---|---|
Class | A |
Material | Borosilicate Glass (3.3) |
Certifications/Compliance | ASTM-E288 |
Calibration | To Contain |
Closure Material | Polypropylene |
Corning™ Class B Reusable Polypropylene Volumetric Flasks
Science Education
A science education product.
A science education product.
Supplied with tapered polypropylene stopper with an individually calibrated graduation line.
Disposable | Reusable |
---|---|
Includes | Imprinted lot number and certificate |
Description | Individually calibrated graduation line |
Color | Translucent |
Temperature Range (English) | 140°F |
Bottom Shape | Flat |
Material | Polypropylene |
Autoclavable | Autoclavable |
Temperature Range (Metric) | 60°C |
Closure Material | Polypropylene |
Eisco™ Class A Glass Volumetric Flasks with White Graduations
Science Education
A science education product.
A science education product.
Eisco™ Class A Glass Volumetric Flasks with White Graduations feature a flat bottom design, interchangeable solid glass stoppers, and single graduation.
Disposable | Reusable |
---|---|
Neck Style | Long |
Mouth Style | Beaded |
Color | Clear |
Bottom Shape | Flat |
Material | Borosilicate Glass (3.3) |
For Use With (Application) | Prepare chemical solution |
Sterility | Non-sterile |
Closure Material | Borosilicate Glass 3.3 |
Graduated | Yes |
Class | A |
Closure Color | Clear |
Closure Type | Glass Stopper |
Autoclavable | Autoclavable |
DWK Life Sciences Kimble™ ValueWare™ Volumetric Flasks, Class B, with Snap Cap
Supplier Diversity Partner
Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More
Science Education
A science education product.
Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More
A science education product.
Calibrated “To Contain.”
Material | Glass |
---|---|
Calibration | Calibrated To Contain |
Closure Material | Polyethylene |
Eisco™ Class A Amber Glass Volumetric Flasks with Polypropylene Stoppers
Science Education
A science education product.
A science education product.
Eisco™ Class A Amber Glass Volumetric Flasks with Polypropylene Stoppers protect light sensitive chemicals and feature a single graduation mark.
Disposable | Reusable |
---|---|
Neck Style | Long |
Mouth Style | Beaded |
Color | Amber |
Bottom Shape | Flat |
Material | Borosilicate Glass (3.3) |
For Use With (Application) | Prepare chemical solution |
Sterility | Non-sterile |
Closure Material | Polypropylene |
Graduated | Yes |
Class | A |
Closure Color | White |
Closure Type | Stopper |
Autoclavable | Autoclavable |
Corning™ PYREX™ VISTA™ Class A Volumetric Flask
Science Education
A science education product.
A science education product.
Necks are tooled for standard taper glass stoppers.
Neck Style | Long |
---|---|
Graduated | Yes |
Bottom Shape | Flat |
Material | Glass,Borosilicate Glass |
Closure Material | Glass |
Eisco™ Class A Glass Volumetric Flasks with Snap Cap
Science Education
A science education product.
A science education product.
Eisco™ Class A Glass Volumetric Flasks with Snap Cap features a flat bottom design, single graduation, and white print markings.
Disposable | Reusable |
---|---|
Neck Style | Long |
Mouth Style | Beaded |
Color | Clear |
Bottom Shape | Flat |
Material | Borosilicate Glass (3.3) |
For Use With (Application) | Prepare chemical solution |
Sterility | Non-sterile |
Closure Material | Plastic |
Graduated | Yes |
Class | A |
Closure Color | Blue |
Closure Type | Snap Cap |
Autoclavable | Autoclavable |
DWK Life Sciences Kimble™ ValueWare™ Volumetric Flasks, Class A, with Snap Cap
Supplier Diversity Partner
Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More
Science Education
A science education product.
Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More
A science education product.
Calibrated “To Contain.”
Closure Material | Polyethylene |
---|
Corning™ Class A Reusable Volumetric Flasks
Science Education
A science education product.
A science education product.
Autoclaved to 121°C.
Disposable | Reusable |
---|---|
Includes | Imprinted lot number and certificate |
Description | Individually calibrated graduation line |
Color | Translucent |
Temperature Range (English) | 140°F |
Material | PMP |
Autoclavable | Autoclavable |
Temperature Range (Metric) | 60°C |
Closure Material | Polypropylene |
Eisco™ Safety Pack Volumetric Flask Sets - Class A, ASTM
Science Education
A science education product.
A science education product.
Multi-piece Safety Pack Volumetric Flasks feature single white graduation line and glass penny stoppers.
Graduated | Yes |
---|---|
Class | A |
Material | Borosilicate Glass (3.3) |
Closure Type | Penny Stopper |
Autoclavable | Yes |
Graduations | White |
Closure Material | Glass |
DWK Life Sciences Kimble™ ValueWare™ Volumetric Flasks, Class A
Supplier Diversity Partner
Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More
Science Education
A science education product.
Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More
A science education product.
Calibrated “To Contain.”
Material | Glass |
---|---|
Calibration | Calibrated To Contain |
Closure Material | Glass |
Eisco™ Glass Volumetric Flasks with Polypropylene Stopper, Class A
Science Education
A science education product.
A science education product.
Glass volumetric flasks with polypropylene stopper. Made from high quality borosilicate glass, polypropylene stoppers are acid resistant. Flasks are class A certified and individually calibrated in an ISO 17025 compliant calibration laboratory. Both flask and stopper can be autoclaved.
Disposable | Reusable |
---|---|
Includes | Flask, Stopper |
Color | Clear |
Bottom Shape | Flat |
Class | A |
Material | Borosilicate Glass (3.3) |
Closure Type | Stopper |
Autoclavable | Autoclavable |
Sterility | Non-sterile |
Closure Material | Polypropylene |
United Scientific™ Class A Volumetric Flask with Glass Stopper, Batch Certified
Supplier Diversity Partner
Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More
Science Education
A science education product.
Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More
A science education product.
Volumetric Flasks offering quality and value for the lab.
Disposable | Reusable |
---|---|
Mouth Style | Narrow |
Surface Treatment | None |
Graduated | Yes |
Bottom Shape | Flat |
Class | A |
Material | Borosilicate Glass |
Closure Type | Glass Stopper |
Autoclavable | Autoclavable |
Sterility | Non-sterile |