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.
- 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.
- 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.
- Class a precision
- User serviceable
- Light protection
- Low profile
- 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
- 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
- ✦ This funnel stand is made of plexiglass, which is very elegant and beautiful.
- ✦ You can freely this funnel and burette combined stand to the height you want.
- ✦ Environmentally friendly, stable and convenient to use, will be easy to clean and not easy to fall.
- ✦ Design with four holes, convenient for placing funnel and burette, suitable for dispensing.
- Class "A" borosilicate glass w/.20ml blue graduations
- Tolerance ± 0.10ml
- Capacity 100ml
- Straight bore interchangeable PTFE key stopcock
- 250mL Corning Pyrex graduated buret suitable for use in school and institutional laboratories
- Dispenses a large volume of liquid rapidly
- Equipped with PTFE Stopcock plug
- Tolerance +/-: 2mL
This article is part of our complete guide Stationery & Supplies — browse all our comparisons and buying guides.
Last update on 2026-10-17 / 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.
