Accurate liquid dispensing is crucial for many scientific and educational applications. Selecting the right lab dispensing burette ensures reproducibility and minimizes errors in experiments and analyses. This guide will help you navigate the key features to consider when making your choice.
- CLASS A ISO 385 CERTIFIED BURETTE || 50mL burette made from Borosilicate 3.3 glass designed for precise liquid measurement & titration. Certified to ISO 385 standards, ensuring accuracy & reliability.
- PRECISE PTFE KEY STOPCOCK || Smooth, durable PTFE key stopcock for precise control of liquid flow. Ideal for exact titration and consistent performance in a wide range of scientific experiments.
- SUPERIOR DURABILITY || Built with thick, uniform walls for strength and resistance to breakage. Perfect for demanding lab environments, designed to withstand frequent use and rigorous conditions.
- SECURE & SAFE PACKAGING || Delivered in custom-fit thick foam casing to protect the burette during storage and transport. Ensures safe handling and long-lasting use in any setting.
- AUTOCLAVABLE & CHEMICAL RESISTANT || Constructed from borosilicate glass, can withstand high temperatures, thermal shocks, and harsh chemicals. Ideal for use in various applications.
- 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.
- Ready to Use: Each burette requires thorough cleaning before first use, ensuring it is accurate and safe liquid handling. Ideal for researchers, educators, and hobbyists seeking precision and reliability in liquid measurement and storage.
- A burette is a precision piece of lab equipment used to dispense very accurate amounts of liquid, especially during titrations — experiments where you carefully add one solution to another to find out exactly how much is needed to cause a reaction.
- It can hold up to 50 milliliters of liquid, making it suitable for most common lab titrations and experiments that require medium-sized volumes.
- Acrylic Construction: Instead of glass, it's made from clear, lightweight acrylic plastic, which makes it much more durable and less likely to break — ideal for classrooms or field work. It’s also easier to handle for beginners.
- Interchangeable Stopcock: The stopcock (the little valve at the bottom that controls liquid flow) can be removed and replaced easily. This is helpful for cleaning, maintenance, or swapping in different types of stopcocks (e.g., PTFE for chemical...
- Clear Measurement Markings: Typically marked with easy-to-read graduations, so you can measure volumes very precisely, often down to ±0.1 mL.
- 50 mL Capacity: It can hold up to 50 milliliters of liquid, making it suitable for most common lab titrations and experiments that require medium-sized volumes.
- Acrylic Construction: Instead of glass, it's made from clear, lightweight acrylic plastic, which makes it much more durable and less likely to break — ideal for classrooms or field work. It’s also easier to handle for beginners.
- Interchangeable Stopcock: The stopcock (the little valve at the bottom that controls liquid flow) can be removed and replaced easily. This is helpful for cleaning, maintenance, or swapping in different types of stopcocks (e.g., PTFE for chemical...
- Precise Control: The stopcock allows fine control over how much liquid is released, which is crucial for achieving accurate titration results.
- Clear Measurement Markings: Typically marked with easy-to-read graduations, so you can measure volumes very precisely, often down to ±0.1 mL.
- Class "A" borosilicate glass w/.20ml blue graduations
- Tolerance ± 0.10ml
- Capacity 100ml
- Straight bore interchangeable PTFE key stopcock
- Accuracy as per DIN ISO 385, ASTM-E287 standard
- Class a precision
- User serviceable
- Light protection
- Low profile
- Smooth, low-force operation
- CLASS B BURETTE || 100mL capacity burette with precise 0.2mL graduations and ±0.2mL tolerance, calibrated specifically for accurate laboratory delivery
- BOROSILICATE 3.3 GLASS || Durable, heat-resistant glass with excellent thermal shock resistance and chemical compatibility for rigorous laboratory use
- SMOOTH GLASS STOPCOCK || Equipped with a smooth-operating glass key stopcock (glass valve), providing precise fluid control with easy, drip-free dispensing
- MULTIPURPOSE LAB USE || Essential for precise volumetric analysis, titrations, chemistry education, analytical research, and beverage-testing applications
- LONG DESIGN FOR PRECISION || Tall 30.5" design enhances accuracy and clarity of measurement readings, ideal for classroom demonstrations and experiments
- CONVENIENCE || Set includes a glass lab burette with supplemental specialty labware for filling and cleaning, all in a single package
- BURETTE || Includes 50mL Class B Burette with 0.1mL graduations, made from heavy-duty borosilicate 3.3 glass and a chemical-resistant PTFE stopcock
- FUNNEL ||Fill your burette with the included 100mm wide polyethylene filter funnel featuring a 80mm long stem that fits into the bore of the burette
- BRUSH || Clean your burette after use using the 23" long burette brush with nylon bristles, fanned tip, and stainless steel handle
- GREAT FOR OUTFITTING LABORATORIES || This convenience set is ideal for outfitting classroom lab stations
- 50mL Corning Pyrex dispensing buret, precision bore
- Serialized/Certified; Class A
- Well drawn tips from accurate bore tubing to insure proper drainage rates
- 2mm bore PTFE Stopcock plug and dust cover included
- Graduation interval: 0.1mL
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Last update on 2026-09-02 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Lab Dispensing Burettes
Types of Burettes
Burettes come in various designs, each suited for different needs. Volumetric burettes are designed for delivering a precise, fixed volume of liquid, making them ideal for titrations where a specific endpoint is targeted. Graduated burettes, on the other hand, allow for the dispensing of variable volumes, indicated by precise markings along the tube. Automatic burettes offer enhanced convenience and speed for repetitive dispensing tasks, often featuring a reservoir and a calibrated dispensing mechanism.
Material Considerations
The material of a burette impacts its durability, chemical resistance, and clarity. Glass burettes, typically made from borosilicate glass, offer excellent chemical inertness and resistance to thermal shock, making them suitable for a wide range of chemicals. Plastic burettes, often made from materials like acrylic or polycarbonate, are generally more impact-resistant and lighter, which can be advantageous in educational settings or where breakage is a concern. However, plastic may be susceptible to scratching or chemical degradation over time.
Dispensing Mechanism and Accuracy
The accuracy of a burette is paramount. Look for clear, precise graduations that are easy to read, often etched and filled for permanence. The dispensing mechanism, whether it's a glass stopcock, a PTFE (Teflon) stopcock, or a piston-based system in automatic models, should allow for smooth, controlled flow. PTFE stopcocks are favored for their chemical resistance and ease of operation, as they often require less lubrication and are less prone to sticking than glass ones.
Capacity and Graduation
Burettes are available in a range of capacities, from small 10 mL sizes to larger 100 mL options. The choice of capacity depends on the volume of liquid you anticipate dispensing. Equally important is the graduation interval; smaller intervals (e.g., 0.1 mL) allow for more precise readings than larger ones (e.g., 0.5 mL or 1 mL). Ensure the total volume and graduation precision meet the requirements of your specific application.
