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Accurate liquid dispensing is crucial in many laboratory settings, from chemical titrations to precise reagent additions. The right burette ensures reproducibility and minimizes experimental error. Investing in a quality lab standard burette can significantly impact the reliability of your scientific work.
Precision Titration: The Eisco Class A Burette, with a 50ml capacity and ±0.05ml accuracy, facilitates very fine volume measurements. It is ideal for tighter titrations and critical scientific experiments requiring exactitude
Smooth Dispensing: Featuring a precision bore with a self-lubricating, interchangeable PTFE key stopcock, this burette ensures smooth liquid dispensing. The replaceable stopcock assembly enhances its usability across various lab settings
Chemical Resilience: Constructed from borosilicate glass, this burette withstands harsh chemicals, making it suitable for demanding laboratory work. Its chemical resistance ensures reliable performance in a wide range of experimental conditions
Sterilization Ready: The Eisco burette is autoclavable, allowing for sterilization when needed in scientific workflows. It can be easily cleaned and reused, supporting rigorous laboratory standards for cleanliness and safety
Precision Measurement: This high-quality 25mL Class A borosilicate burette offers precise graduations of 0.1mL for accurate liquid dispensing and measurement, with a tolerance of just 0.05mL, ensuring exceptional accuracy for your experiments or brewing...
Durable Material: Crafted from top-grade borosilicate glass, this burette boasts excellent thermal and chemical resistance, making it ideal for a wide range of scientific applications.
Smooth Operation: Features a glass key stopcock designed for smooth, leak-free operation. It requires lubrication to maintain optimal performance, allowing for precise control over fluid flow - perfect for delicate laboratory work.
Convenient Size: At a height of 22.5 inches, this burette is perfectly sized for both professional laboratory setups and enthusiast home use. 2 Pack.
COMPLETE TITRATION KIT || Includes all necessary components for titration experiments: 50mL Class B burette, PTFE stopcock, stainless steel rod, heavy base, burette clamp, and boss head.
CLASS B BOROSILICATE BURETTE || 50mL capacity with 0.10mL graduations, made from durable borosilicate glass with excellent chemical and thermal resistance.
STABLE SUPPORT STAND || 60cm stainless steel rod and 8"x5" powder-coated heavy base provide a secure setup for precise titration.
LAB-GRADE DURABILITY || Designed for high school, college, and research labs, suitable for a range of basic to advanced titration experiments.
INDUSTRIAL QUALITY || Burette is made from high quality, heavy-duty borosilicate 3.3 glass; bottle is made from durable polyethylene
CLASS A TOLERANCE || Class A tolerance of ±0.05mL, as per DIN ISO 385 standard
SELF-ZEROING || Completely closed system; squeezing the bottle fills the burette just over the zero line, and excess liquid is returned to the reservoir bottle
PRECISE || Pushbutton stopcock with screw clamp and exact-spout tip for precise, repeatable fluid delivery
Class A Precision for Exact Measurement: This burette meets rigorous Class A specifications, 25ml capacity, 0.1ml Sub Div, ±0.04ml tolerance, delivering exceptional measurement consistency for precise quantitative analysis and titration studies
Streamlined Operation with PTFE Stopcock: Featuring a PTFE stopcock, this burette delivers smooth manipulation and a consistent seal without requiring external grease. The design fosters a cleaner workspace, simplifies upkeep, and maintains its integrity...
Permanent Easy to Read Graduations: Features permanent white enamel graduations with white markings that will not peel, or wash off, which ensure clear legibility and measurement accuracy throughout the entire lifespan of the burette
Ideal for Lab & Educational Use: The perfect tool for university-level titration labs, quality control (QC), and analytical research. Provides consistent performance for acid-base studies and precise quantitative measurement
Last update on 2026-10-16 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Lab Standard Burettes
Types of Burettes
Volumetric Burettes: These are designed for delivering a single, fixed volume with high accuracy. They are ideal for applications requiring the precise measurement of a specific quantity of liquid.
Graduated Burettes: Featuring clear markings along the length, these allow for the measurement and dispensing of variable volumes. They offer flexibility for tasks where exact volumes are not predetermined.
Material Considerations
Glass: Borosilicate glass is the standard for laboratory glassware due to its excellent chemical resistance and thermal shock durability. It offers high clarity for easy volume reading.
Plastic: Certain plastic burettes may be suitable for less demanding applications or where breakage is a significant concern. However, they may have limitations in chemical compatibility and accuracy compared to glass.
Features to Look For
Stopcock Type: Glass-bore stopcocks offer smooth operation and good chemical resistance. PTFE stopcocks are also common, providing excellent chemical inertness and a leak-free seal without lubrication.
Graduations: Clear, legible, and durable markings are essential for accurate readings. Look for fine, precise lines that minimize parallax error.
Capacity: Burettes come in various capacities, typically ranging from 10 mL to 100 mL. Choose a size appropriate for the volumes you commonly dispense.
Frequently Asked Questions
What is the difference between a volumetric and a graduated burette?
A volumetric burette is calibrated to deliver one specific volume accurately. A graduated burette has markings along its length, allowing for the measurement and dispensing of variable volumes.
Why is borosilicate glass preferred for burettes?
Borosilicate glass is chosen for its superior resistance to chemicals and its ability to withstand rapid temperature changes without cracking. It also provides excellent optical clarity for precise measurements.
What is the function of a stopcock on a burette?
The stopcock controls the flow of liquid out of the burette. It allows for precise dispensing of the liquid by opening and closing the tip, enabling controlled delivery.
How do I ensure accuracy when using a burette?
Ensure the burette is clean and free of air bubbles. Read the meniscus at eye level to avoid parallax error. Calibrate the burette regularly if high precision is critical.
Can plastic burettes be used for all chemicals?
Plastic burettes have varying chemical resistance depending on the polymer. Always check the manufacturer's specifications to ensure compatibility with the specific chemicals you intend to use.
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