13 best lab volumetric flasks

A lab volumetric flask is a specific type of glassware used in laboratories for precise measurement and preparation of solutions. It is a container with a flat bottom, a long neck, and a precisely calibrated volume mark etched on the neck. Volumetric flasks are designed to contain or deliver a specific volume of liquid accurately at a particular temperature, usually 20°C.

Here are some key features and information about lab volumetric flasks:

  1. Calibration and Accuracy: Volumetric flasks are highly accurate and have a high degree of precision in measuring a specific volume of liquid. The calibration marks on the neck are accurate to the specified tolerance.

  2. Single Volume Mark: Unlike graduated cylinders or beakers that have multiple volume markings, a volumetric flask typically has only one calibrated mark indicating a specific volume.

  3. Usage: Volumetric flasks are commonly used in analytical chemistry, biology, and other scientific disciplines for the precise preparation of standard solutions. They are crucial for accurate titrations, dilutions, and other analytical procedures.

  4. Material: Volumetric flasks are typically made of high-quality, chemically resistant glass, such as borosilicate glass, to ensure that the material does not interact with the substances being measured.

  5. Proper Technique: When using a volumetric flask, it's essential to handle it carefully and precisely.The liquid is added to the flask until it reaches the mark on the neck, ensuring the correct volume.

  6. Cleaning and Maintenance: Volumetric flasks should be thoroughly cleaned and dried before use to prevent contamination. Additionally, they should be stored properly and handled with care to maintain their accuracy and longevity.

  7. Sizes and Capacities: Volumetric flasks come in various sizes, with capacities ranging from a few milliliters to several liters, depending on the specific requirements of the experiment or analysis.

In summary, a lab volumetric flask is a critical tool in the laboratory for precise measurement and preparation of solutions, ensuring accurate and reliable experimental results.

Below you can find our editor's choice of the best lab volumetric flasks on the market
  

Premium Volumetric Flask Set - 50ml, 100ml & 250ml - Class A, ASTM E288 - Superior Durability & Chemical Resistance - Glass Penny Stoppers - Borosilicate 3.3 Glass - Eisco Labs

Eisco

Based on 18 reviews Check latest price
  • CLASS A, ASTM E288 || Class A Tolerance, as per ASTM E288 standards
  • 3 PIECE SET || Set includes three Volumetric flasks. 50ml, 100ml & 250ml capacities. Each flask includes a glass penny stopper, and features a single, white graduation mark
  • INDUSTRIAL QUALITY, SUPERIOR HEAT & CHEMICAL DURABILITY || Microwavable & autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. Made of high quality Borosilicate 3.3 glass. Designed for use in professional laboratories, but is ideal for classroom, garage and home use
  • SAFETY PACK || Set is packaged in a custom fit, thick foam casing, for safe storage and worry free transport
  • MANUFACTURED BY EISCO LABS || Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control. Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind

Product features

Three piece Volumetric Flask set made of high quality Borosilicate 3.3 Glass. Includes three flasks with 50ml, 100ml & 250ml capacities. Class A Tolerance, as per ASTM E288 standards. Each flask includes a glass penny stopper, and features a single, white graduation line. Set is packaged in a custom fit, thick foam casing, for safe storage and transport.

Microwavable and autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C.

Heavy Duty, Borosilicate 3.3 Glass

Designed for use in professional laboratories, each flask is created utilizing state of the art manufacturing techniques using only the highest quality, low expansion Borosilicate 3.3 Glass.

Custom Fitted Safety Foam Packaging

This essential glassware set arrives in a custom fitted, thick foam casing for safe transport and easy storage of your glass flasks.

1000ml Volumetric Flask, 3.3 Boro Glass, Class A, Ground Stopper, Karter Scientific 213W12 (Single)

Karter Scientific

Based on 189 reviews Check latest price

Product description

Karter Scientific Class A Volumetric Flasks are manufactured from high quality inert 3.3 borosilicate glass and meet the tolerances requirements as established by ASTM E-694 - ASTM E-542 - and ASTM E-288. Flat bottom. Volumetric flasks provide improved lab convenience, broad selection and precise volume measurement. Accuracy limits conforms to ISO 1042 Laboratory Glassware-One mark volumetric flasks. With one permanent circular mark. Printed with fused-on enamel color, resistant to most acid and alkaline solutions. Calibration is based on the poured in volume ("In") at a +20°C reference temperature. *Note: There may be some residual white 'chalky' substance inside or outside these flasks. This material is needed in the manufacturing process

  • Class A
  • O.D. x Height: 121mm x 362mm (approx.)
  • Material: 3.3 Borosilicate Glass
  • Flat Bottom
  • Ground Stopper

User questions & answers

Question: what is the diameter of the flask at the widest point
Answer: 3.95 inches is the outside diameter of the flask at its widest point, as measured by digital calipers.
Question: What are the dimensions
Answer: Height is 7.5 inches, base is 2.5 inches.
Question: Do they come with the certificate
Answer: Hello, No, I'm sorry they do not. Customer Service
Question: What is the stopper size
Answer: The stopper size is 12/18 Ts medium.

Sscon 2pcs 100ml Plastic Lab Volumetric Measuring Flask with Snap Cap

Sscon

Based on 1 reviews Check latest price

Product description

Product Specification

Color: Clear

Material: Plastic

Capacity: 100ml

Height Size: 17cm / 6.7 inch

Max.Diameter: 6cm / 2.36 inch



Package Content:

2 x Lab Volumetric Flasks

  • Material: The flask is vase shaped and made of plastic, not easy to break, ensuring the durablity
  • Capacity:100ml;The flask's mouth is furnished with a plastic stopper, reduce volatilization and reduce leakage
  • Application: Used for precise dilutions and preparation of standard solutions,for industrial, laboratory, personal and hobbies
  • Great for packing all kinds of liquids, such as water agent, emulsifier, mineral spirits and so on.
  • Overall Size (H*Max.D): 170 x 60mm / 6.7" x 2.36"; Color: Clear; Pacakge Content: 2 x Clear Lab Volumetric Flasks

Volumetric Flask, 500ml - Class A, ASTM - Tolerance ±0.200ml - Blue Snap Cap - Single, White Graduation - Borosilicate Glass - Eisco Labs

Eisco

Based on 7 reviews Check latest price

Product description

500ml capacity volumetric flask made of high quality, heavy duty Borosilicate 3.3 glass. Single, white graduation mark and a blue snap cap. Class A, tolerance, ±0.100ml. Calibrated to contain.

Flask stands 10.75" tall, and has a bottom diameter of 4". Neck has a diameter of 19mm.

Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C.



Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control.

Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind. They are manufactured with only the highest grade, raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments.

  • INDUSTRIAL QUALITY || 500ml Volumetric Flask made of high quality, heavy duty, Borosilicate 3.3 glass. Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks
  • ASTM E288 || Class A Tolerance ±0.20 ml, as per ASTM standards
  • BLUE SNAP CAP || Flask is equipped with a blue snap cap
  • CALIBRATED TO CONTAIN || Single, white graduation mark. Eisco Labs Volumetric Flasks are calibrated to contain
  • GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD || Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use

Volumetric Flask, 500ml - Class B, ASTM - Tolerance ±0.400 ml - Glass Stopper - Single, White Graduation - Eisco Labs

Eisco

Product description

10ml capacity volumetric flask made of high quality, heavy duty 3.3 borosilicate glass. Single, blue graduation mark. Class A, tolerance ±0.020 ml. Fitted with a #19 (19mm) solid glass stopper. Flask stands 10.5" tall, and has a bottom diameter of 4". Neck diameter measures 23mm. Joint inner diameter measures 19mm.

  • Made of high quality, heavy duty, 3.3 borosilicate glass. Class B tolerance
  • 500ml capacity, single white graduation mark
  • Fitted with solid glass stopper
  • Stands 10.5" tall and has a base measuring 4"
  • Perfect for any science or home laboratory

Volumetric Flask, 250ml - Class A, ASTM - Snap Cap - Blue Graduation Mark, Tolerance ±0.120ml - Eisco Labs

Eisco

Product description

CLASS-A

Capacity 250ml

Tolerance ± 0.120ml

Borosilicate glass with blue, graduation mark. Flask measures 9" tall, bottom diameter measures 3", top diameter measures 0.5". Fitted with snap cap. Class A, as per ASTM-E288.

  • Made of high quality Borosilicate glass
  • Includes snap cap
  • 250ml blue graduation line for precise dilution and preparation
  • Class A, as per ASTM-E288
  • Perfect for any science or home laboratory

User questions & answers

Question: Is the certificate of calibration included
Answer: A batch certificate could be obtained.

Volumetric Flask Set, 3 Pieces - Class B, ASTM - 250ml, 500ml & 1000ml - Glass Stopper - Blue Graduation - Eisco Labs

Eisco

Based on 6 reviews Check latest price

Product description

This set includes three premium quality borosilicate glass volumetric flasks with glass stoppers. All are in compliance with ASTM-E288 standard. Tolerance ±0.100 ml. Includes 1000ml, 500ml, 250ml flasks with glass stoppers.

  • Class B Borosilicate Glass
  • Includes 1000ml, 500ml, 250ml flasks with glass stoppers
  • Tolerance ±0.100 ml
  • In compliance with ASTM-E288 standard
  • Easy to read blue graduation

User questions & answers

Question: Are the certificates of calibration with data for each flask included
Answer: No

Volumetric Flask, 500ml - ASTM, Class A - Tolerance ±0.20ml - Interchangeable, Size 19 Polypropylene Stopper - Single, White Graduation - Borosilicate Glass - Eisco Labs

Eisco

Product description

500ml capacity volumetric flask made of high quality, heavy duty Borosilicate 3.3 glass. Single, white graduation mark. Includes an interchangeable, size 19 polypropylene stopper. Class A, tolerance, ±0.20ml as per ASTM-E288. Calibrated to contain.

Flask stands 10.5" tall, and has a bottom diameter of 100mm. Neck has a diameter of 22mm.

Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C.



Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control.

Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind. They are manufactured with only the highest grade, raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments.

  • INDUSTRIAL STRENGTH || Made of high quality, heavy duty, Borosilicate 3.3 glass. Designed for use in professional laboratories, but is ideal for classroom, garage and home use
  • 500ML CAPACITY || Flask has a 500ml capacity, calibrated to contain, and features a single white graduation mark. Fitted with an interchangeable size 19 polypropylene stopper
  • ASTM, CLASS A || ASTM, Class A tolerance, ±0.20ml as per ASTM-E288
  • SUPERIOR HEAT & CHEMICAL DURABILITY || Microwavable and autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks
  • MANUFACTURED BY EISCO LABS || Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control. Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind

Volumetric Flask, 20ml - Class A - 10/19 Polypropylene Stopper, Borosilicate Glass - Blue Graduation, Tolerance ±0.040 - Eisco Labs

Eisco

Based on 3 reviews Check latest price

Product description

Volumetric Flask made of high quality, heavy duty, 3.3 borosilicate glass. Class A tolerance.

20ml capacity, single white graduation mark.

Fitted with a chemical resistant polypropylene stopper.

Socket size 10/19. Tolerance ±0.040 ml. As per DIN ISO 1042 standard.

Stands 4.25" tall and measures 1.5" wide at its widest point.

Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C





Calibrated to contain.





Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control.

Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind. They are manufactured with only the highest grade, raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments.

  • Volumetric Flask made of high quality, heavy duty, 3.3 borosilicate glass. Class A tolerance.
  • 20ml capacity, single white graduation mark.
  • Socket size 10/19. Tolerance ±0.040 ml. As per DIN ISO 1042 standard.
  • Fitted with a chemical resistant polypropylene stopper.
  • Stands 4.25" tall and measures 1.5" wide at its widest point.

Premium Volumetric Flask Set - 10ml, 25ml & 50ml - Class A, ASTM E288 - Superior Durability & Chemical Resistance - Glass Penny Stoppers - Borosilicate 3.3 Glass - Eisco Labs

Eisco

Based on 24 reviews Check latest price
  • CLASS A, ASTM E288 || Class A Tolerance, as per ASTM E288 standards
  • 3 PIECE SET || Set includes three Volumetric flasks. 10ml, 25ml & 50ml capacities. Each flask includes a glass penny stopper, and features a single, white graduation mark
  • INDUSTRIAL QUALITY, SUPERIOR HEAT & CHEMICAL DURABILITY || Microwavable & autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. Made of high quality Borosilicate 3.3 glass. Designed for use in professional laboratories, but is ideal for classroom, garage and home use
  • SAFETY PACK || Set is packaged in a custom fit, thick foam casing, for safe storage and worry free transport
  • MANUFACTURED BY EISCO LABS || Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control. Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind

Product features

Three piece Volumetric Flask set made of high quality Borosilicate 3.3 Glass. Includes three flasks with 10ml, 25ml & 50ml capacities. Class A Tolerance, as per ASTM E288 standards. Each flask includes a glass penny stopper, and features a single, white graduation line. Set is packaged in a custom fit, thick foam casing, for safe storage and transport.

Microwavable and autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C.

Heavy Duty, Borosilicate 3.3 Glass

Designed for use in professional laboratories, each flask is created utilizing state of the art manufacturing techniques using only the highest quality, low expansion Borosilicate 3.3 Glass.

Custom Fitted Safety Foam Packaging

This essential glassware set arrives in a custom fitted, thick foam casing for safe transport and easy storage of your glass flasks.

Volumetric Flask, 10ml - Class A, ASTM - Tolerance ±0.020 ml - Glass Stopper - Single, White Graduation - Eisco Labs

Eisco

Product description

10ml capacity volumetric flask made of high quality, heavy duty 3.3 borosilicate glass. Single, blue graduation mark. Class A, tolerance ±0.020 ml. Fitted with a #9 (9mm) solid glass stopper. Flask stands 3.5" tall, and has a bottom diameter of 1.1". Neck diameter measures 11mm. Joint inner diameter measures 9mm.

  • Made of high quality, heavy duty, 3.3 borosilicate glass. Class A tolerance
  • 10ml capacity, single white graduation mark
  • Fitted with solid glass stopper
  • Stands 3.5" tall and has a base measuring 1.1"
  • Perfect for any science or home laboratory

Justman Brush 610382 Flask Brush for 1000mL Volumetric Flask, White Bristle, 1.75" Diameter, 5" Brush Length

Based on 45 reviews Check latest price

Product description

Angled handle fits easily into flask or bottle necks and bends to allow fitting of brush to container shape. Brushes are mounted on a flexible plastic handle, designed for cleaning Erlenmeyer, Filtering, Kjeldahl, Nepela, Pear-Shaped, Round Bottom, Flat Bottom, Reaction, and Volumetric flasks.

  • 1.75" diameter
  • 5" brush length
  • 17" overall length
  • Easy handling
  • Efficient

Justman Brush 710384 White Nylon Brush for 1000 mL Volumetric Flask, 1-3/4" Brush Diameter, 5" Brush Length, 17" Overall Length

JUSTMAN BRUSH COMPANY

Based on 5 reviews Check latest price

Product description

Angled handle fits easily into flask or bottle necks and bends to allow fitting of brush to container shape. Brushes are mounted on a flexible plastic handle, designed for cleaning Erlenmeyer, Filtering, Kjeldahl, Nephelo, Pear-Shaped, Round Bottom, Flat Bottom, Reaction, and Volumetric flasks.

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