VOLUMETRIC FLASKS

Volumetric Flasks

Volumetric flasks are essential instruments in laboratories for the accurate measurement of liquid volumes. At Pobel, we offer a range of high quality volumetric flasks, designed to meet the highest standards of precision and durability.

What are laboratory volumetric flasks?

Laboratory volumetric flasks are calibrated vessels that allow you to measure accurate volumes of liquids. They are designed with a precise calibration mark that indicates a specific volume when the meniscus of the liquid is aligned with this mark. These instruments are essential in the preparation of solutions and in conducting experiments where volumetric accuracy is critical.

Volumetric flasks generally come in a variety of volumes, ranging from a few millilitres to several litres, allowing their use in different laboratory procedures. The accuracy of these flasks is critical to ensure that the concentrations of the prepared solutions are accurate, which is crucial in many experiments.

What are volumetric flasks used for? Uses of laboratory volumetric flasks

Volumetric flasks have many uses in the laboratory:

• Preparation of standard solutions: They allow the preparation of solutions with exact concentrations, which is essential for carrying out different techniques.
• Precise dilutions: They facilitate the creation of exact dilutions.
• Accurate measurements: Used to measure specific volumes of liquids with high precision.
• Instrument calibration: Assist in the calibration of other volumetric instruments, such as pipettes and burettes.

These uses make volumetric flasks indispensable tools in chemical, biological and pharmaceutical laboratories, among others.

What material are Pobel volumetric flasks made of?

Pobel volumetric flasks are mainly made of borosilicate glass 3.3, known for its resistance to thermal and chemical changes. This material is ideal for use in laboratory environments where various chemicals are handled and experiments are carried out at different temperatures. Borosilicate glass is also highly durable and scratch resistant, which helps to maintain measurement accuracy over time.

In addition, Pobel offers amber glass volumetric flasks, which are especially useful for protecting light-sensitive solutions. These flasks ensure that the composition of solutions is not altered due to exposure to light, which is crucial for maintaining the integrity of samples.

How to use volumetric flasks?

Volumetric flasks are mainly used for the preparation of standard solutions. They are calibrated "to contain". Put the exact weight into the flask first. Then fill the flask with distilled water to about half the volume and mix the contents thoroughly. Then fill with more distilled water just a little below the capacity. Pay attention to read the meniscus at the same height as the eye and not to wet the neck wall above the gauging. 

Volumetric certificates for Pobel volumetric flasks

In order to provide customers with a better guarantee and due to the increasing need to ensure the accuracy of volumetric material, our products can be ordered with the following certificates:

BATCH CERTIFICATE

A batch certificate is a document issued by the manufacturer of a product that certifies that a specific batch of that product has been produced, tested and meets the required quality standards and specifications. This certificate provides assurance that the product is safe and effective for its intended use and is especially important in regulated industries such as pharmaceuticals, food and cosmetics.

Components of the volumetry batch certificate

• Batch identification: batch number or unique batch identification.
• Product description: detailed information about the product, including name, formula or composition, and technical specifications.
• Date of issue: date on which the batch was issued.
• Mean: mean of the batch capacity 
• Standard deviation: standard deviation of the batch
• Signature of the tester

The batch certificate is essential to ensure product traceability, as it allows manufacturers, distributors and regulators to trace and verify the quality of each batch produced.

INDIVIDUAL CALIBRATION CERTIFICATE

A calibration certificate is a formal document that provides evidence that a measuring instrument (in this case, volumetric flasks) has been calibrated to specific standards and that its accuracy has been verified against these standards. This certificate usually includes detailed information on the calibration process, the results obtained and traceability to national or international standards.

Typical contents of a calibration certificate:

- Identification of the instrument:

• Description of the instrument.
• Serial number or unique identification.
• Model and manufacturer.

- Calibration details:

• Date of calibration.
• Environmental conditions during calibration.
• Procedures and methods used for calibration.

- Calibration results:

• Readings obtained during calibration.
• Deviations from nominal or expected values.
• Measurement uncertainty associated with the results.

- Traceability:

• References to the standards used for calibration.
• Information on traceability to national or international standards.
• Signature and name of the responsible technician. 

Importance of a calibration certificate:

Quality assurance: ensures that instruments are working properly and that measurements are accurate and reliable.

Regulatory compliance: helps to comply with international regulations and standards, especially in industries that require high accuracy and reliability.

Risk reduction: minimises the risk of measurement errors, which is crucial in sectors such as manufacturing, healthcare and engineering.

Traceability: provides a chain of traceability to national or international standards, ensuring that calibration results are recognised globally.

In summary, a calibration certificate is essential for the validation and maintenance of the accuracy of measuring instruments, ensuring that they meet the standards required for their specific use.

Why buy volumetric flasks from Pobel?

Buying volumetric flasks from Pobel is a wise decision for several reasons:

• Superior quality: manufactured with the best materials, they guarantee durability and precision in every measurement.
• Variety: we offer a wide range of flasks for different needs and applications, ensuring that you will always find the right product for your laboratory.
• Reliability: stringent controls to ensure accuracy in every unit, which is fundamental to the reproducibility of experiments.
• Experience: with years of experience in manufacturing laboratory equipment, Pobel has established itself as a trusted supplier in the industry.

In short, Pobel volumetric flasks are an ideal choice for any laboratory requiring accurate and reliable measurements. With our experience and dedication to quality, you can be sure that you are getting top-notch products that meet the highest industry standards.