volumetric or measuring flask

volumetric or measuring flask Specification

Accuracy
Class A or Class B (as per ISO standards)

Shape
Flat bottom, elongated neck

Glass Type
Borosilicate

Display Type
Graduated Markings

Temperature Resistance
Up to 250C

Control Type
Manual

Features
Graduated calibration, chemical resistance, ground glass stopper

Type
Volumetric or Measuring Flask

Dimension (L*W*H)
Varies by capacity (e.g. Height approx. 180-300 mm depending on volume)

Equipment Type
Laboratory Glassware

Equipment Materials
Borosilicate Glass

Material
Borosilicate Glass

Application
Laboratory usage for precise liquid measurement

Capacity (Ltr)
Typically ranges from 50 ml to 2000 ml

Sterility
Non-sterile

Color
Clear (Transparent)

Stopper Material
Ground Glass or Plastic (Polyethylene)

Chemical Resistance
High Resistant to most acids, alkalis, and solvents

Graduation Marking
Permanent, printed or etched

Neck Type
Narrow Neck

Reusable
Yes

Autoclavable
Yes

Compliance Standard
ISO 1042 / ASTM E288

Surface Finish
Smooth

Packaging Type
Individual or bulk, as specified

Marking Color
Blue or Amber

volumetric or measuring flask Trade Information

Minimum Order Quantity
50 Pieces

Supply Ability
1000 Pieces Per Day

Delivery Time
2-5 Days

About volumetric or measuring flask

A volumetric flask is a precisely calibrated laboratory instrument used for measuring specific volumes of liquids. Typically crafted from high-quality borosilicate glass, it ensures resistance to temperature changes and chemical corrosion. Its long neck and flat-bottom shape allow for accurate filling to the etched line, providing precise measurements. Available in various sizes, it is often used in chemistry, pharmaceuticals, and environmental labs for creating standard solutions. Manufactured with advanced glass-blowing techniques, the flask offers durability and accuracy. Its consistent design benefits industries by enhancing the reliability and reproducibility of experiments and formulations.

Precision and Quality in Laboratory Measurement

Our volumetric flasks are designed for scientists and laboratory professionals who require reliable, precision solutions for liquid measurements. Manufactured from borosilicate glass for high chemical and thermal resistance, these flasks ensure accurate readings every time. Each flask is calibrated to Class A or B accuracy according to ISO and ASTM standards and features permanent graduation markings for long-term clarity.

Versatile Applications and Robust Construction

These flasks are ideal for preparing standard solutions, diluting samples, or conducting analytical titrations. Available with ground glass or plastic stoppers and ranging in size from 50 ml to 2000 ml, they cater to diverse laboratory needs. The narrow neck helps minimize spillage, while the flat bottom provides stability during use. The flasks' surface is smooth to facilitate cleaning and repeated use.

FAQ's of volumetric or measuring flask:

Q: How should a volumetric flask be used to obtain accurate liquid measurements?

A: To ensure accuracy, pour liquid below the graduation mark, then add slowly until the bottom of the meniscus touches the calibration line at eye level. Always use at the specified temperature, as marked, and ensure the flask is clean and free from residue before use.

Q: What materials are the flask and stopper made from and why are they chosen?

A: The flask is made from borosilicate glass, chosen for its high resistance to chemicals, acids, and temperature up to 250C. The stopper can be ground glass or polyethylene to provide an airtight seal while remaining compatible with a variety of substances.

Q: When is it necessary to autoclave the volumetric flask, and is it safe to do so?

A: Autoclaving is recommended for sterilization prior to procedures requiring contamination control. The borosilicate glass construction allows safe autoclaving without damage, but ensure the stopper is removed during the process to prevent pressure build-up.

Q: Where are these measuring flasks typically applied in laboratories?

A: These flasks are used in various laboratory applications, including analytical chemistry, solution preparation, titration, and precise dilution tasks in educational, research, and industrial settings.

Q: What process should be followed for cleaning and reusing these flasks?

A: After each use, rinse the flask thoroughly with appropriate solvents or detergents compatible with borosilicate glass, then allow it to dry completely. Avoid abrasive cleaning tools to preserve graduation markings and surface finish.

Q: What benefits do permanent printing or etching of graduation markings provide?

A: Permanent markings ensure that graduations remain visible and accurate even after extensive cleaning and repeated use, supporting reliability and longevity in laboratory routines.