Description

Burette 25ml – Automatic Class A (BOROSIL®)

Burette 25mL – Automatic Class A (BOROSIL®) is a high-performance laboratory instrument designed for precise and efficient delivery of liquid volumes, particularly in the 0-25mL range. Here’s a breakdown of its key features and functionalities:

Core Features:

• Automatic Operation: This is a defining characteristic. Unlike traditional burettes with a stopcock, an automatic burette dispenses liquid automatically through a built-in mechanism. This can be:

  • Motorized: A small motor within the burette precisely controls the flow rate for effortless and consistent dispensing.
  • Squeeze Bottle Design: Some models might utilize a squeezable bottle reservoir. Squeezing the bottle pressurizes the liquid, forcing it out through a calibrated valve at a controlled rate.

• High Accuracy (Class A): This burette meets Class A specifications as defined by international standards (often ISO 385). This signifies exceptional accuracy in its graduations and overall volume measurements. Deviations from the marked volume will be minimal, ensuring precise delivery of liquids for critical experiments.

• BOROSIL® Glass Construction: The burette is made from BOROSIL® glass, a type of borosilicate glass known for:

  • Chemical Resistance: BOROSIL® glass is resistant to a wide range of chemicals commonly used in laboratories, minimizing the risk of the burette reacting with the solutions it dispenses.
  • Thermal Stability: This glass can withstand high temperatures, making it suitable for use with hot or cold liquids.
  • Clarity: BOROSIL® glass offers excellent clarity for easy visualization of the liquid level within the burette.

• Capacity: 25 Milliliters (mL):** This burette is designed to handle volumes up to 25 milliliters, making it suitable for a broader range of applications compared to 10mL models.

• Calibration: While Class A specifications ensure high accuracy, some automatic burettes might require periodic calibration to maintain optimal performance. Consult the manufacturer’s instructions for details on calibration procedures or recommended intervals.

Applications:

• Titrations: The automatic dispensing and high accuracy of this burette make it well-suited for titrations, a common laboratory technique where a measured volume of a standardized solution (titrant) is gradually added to another solution (analyte) to determine its concentration. The 25mL capacity caters to a wider range of titratable samples.
• Dispensing Measured Volumes: For applications requiring the controlled delivery of liquid volumes (up to 25mL) with high precision, this burette is a valuable tool. This could involve preparing dilutions, adding reagents to experiments, or performing sample injections in analytical techniques.

Benefits of Automatic Operation:

• Effortless Dispensing: The automatic mechanism simplifies the dispensing process, reducing user fatigue and potential errors associated with manual stopcock control.
• Improved Consistency: Automatic burettes deliver a more consistent flow rate compared to manual techniques, leading to more reproducible results in experiments.
• Enhanced Safety: Automatic dispensing can minimize the risk of spills or splashes associated with manual burette operation.