When it comes to achieving accurate and precise measurements in the lab, selecting the right burette is essential. You’ll find that advancements in design and materials have greatly improved options available to you in 2025. From EISCO’s Class A burettes to Pyrex’s durable models, there’s a range tailored for your specific needs. But how do you determine which one is best suited for your experiments? Let’s explore the top contenders.
EISCO Burette, 50ml – Class A Borosilicate Glass
The EISCO Burette, 50ml – Class A Borosilicate Glass, is the perfect choice for educators and professionals who demand precision in their measurements. With a remarkable ±0.05ml accuracy and clear 0.1ml graduations, you’ll achieve reliable results every time. Its heavy-duty Borosilicate 3.3 glass construction guarantees durability, making it autoclavable and resistant to chemical damage. You can use it confidently in both classroom settings and professional labs. Many users appreciate its affordability and quality, assuring that you won’t break the bank. Just be aware of occasional delivery issues, but overall, this burette is a valuable asset for accurate titrations.
Best For: Educators and professionals seeking a reliable and accurate burette for laboratory measurements and educational purposes.
Pros:
- Made from durable Borosilicate 3.3 glass, ensuring longevity and resistance to chemical damage.
- Features clear and precise 0.1ml graduations for accurate measurements.
- Competitive pricing offers excellent value, especially for educational institutions on a budget.
Cons:
- Some users report issues with leaks and broken items upon delivery.
- Occasional delivery problems may affect customer satisfaction.
- Limited to 50ml capacity, which may not be sufficient for all applications.
EISCO Burette, 100mL – Class A Borosilicate Glass
For precise and reliable measurements, the EISCO Burette, with its 100mL capacity and Class A certification, is an excellent choice for laboratory professionals and students alike. This burette features a tolerance of ± 0.10mL and 0.20mL sub-divisions, ensuring accurate readings. Made from heavy-duty Borosilicate 3.3 glass, its durable construction measures 80cm (31.5 inches), making it ideal for various lab applications. You’ll appreciate the high-quality glass key stopcock and the chemical-resistant blue printing, which enhances readability. Plus, everything comes neatly packaged, so you can get started right away without worrying about missing components.
Best For: Laboratory professionals and students seeking precise and reliable measurement tools for experiments.
Pros:
- High accuracy with a tolerance of ± 0.10mL and 0.20mL sub-divisions.
- Made from durable Borosilicate 3.3 glass, ensuring longevity and resistance to chemical damage.
- Includes a high-quality glass key stopcock for smooth operation and enhanced readability with chemical-resistant blue printing.
Cons:
- Limited to a maximum capacity of 100mL, which may not be sufficient for larger experiments.
- The glass material, while durable, can still be fragile and susceptible to breakage if mishandled.
- Requires careful cleaning and maintenance to ensure longevity and accuracy of measurements.
EISCO Burette, 50mL – Class B with PTFE Stopcock
When precision is essential in your laboratory work, the EISCO Burette, with its 50mL capacity and Class B accuracy, stands out as an ideal choice. This burette offers a tolerance of ± 0.10mL and features 0.10mL subdivisions, ensuring reliable measurements. Constructed from high-quality Borosilicate 3.3 glass, it’s durable and designed for longevity. The attached PTFE straight bore stopcock enhances usability, providing smooth and accurate dispensing. Plus, the chemical-resistant blue printing improves visibility, making it easier to read. With all components included in one package, you’ll have everything you need to achieve precise results in your experiments.
Best For: Laboratory professionals and students who require precise liquid measurements in their experiments.
Pros:
- High-quality Borosilicate 3.3 glass ensures durability and resistance to chemical reactions.
- Class B accuracy with a tolerance of ± 0.10mL allows for reliable measurements.
- The PTFE stopcock provides smooth and precise dispensing, enhancing usability.
Cons:
- Class B accuracy may not meet the needs of applications requiring higher precision.
- Limited capacity of 50mL may not be suitable for larger experiments.
- The glass material, while durable, can still be fragile and requires careful handling.
EISCO Burette, 25ml – Class A Borosilicate Glass
Precision is essential in laboratory settings, and the EISCO Burette, with its 25ml capacity and 0.1mL graduations, delivers just that. This Class A burette boasts a tolerance of ± 0.05mL, ensuring accuracy you can rely on. It conforms to ASTM DIN ISO 385 standards, making it a trusted choice for your experiments. Made from durable Borosilicate 3.3 glass, this heavy-duty burette withstands chemical exposure while maintaining clarity. You’ll appreciate the PTFE straight bore stopcock for smooth operation, along with chemical-resistant white printing for easy reading. Plus, everything you need comes in one convenient package.
Best For: Laboratory professionals and students who require precise liquid measurements for experiments.
Pros:
- High precision with a tolerance of ± 0.05mL ensures accurate results.
- Durable construction from Borosilicate 3.3 glass provides resistance to chemicals and temperature changes.
- User-friendly design includes a PTFE straight bore stopcock for smooth operation and easy readability with chemical-resistant printing.
Cons:
- Limited capacity of 25ml may not be suitable for larger volume applications.
- Higher cost compared to standard burettes due to Class A certification and quality materials.
- Fragility of glass may require careful handling to avoid breakage.
QWORK Class A Borosilicate Burette (2 Pack)
If you’re a researcher, educator, or hobbyist looking for reliable liquid measurement, the QWORK Class A Borosilicate Burette (2 Pack) is an excellent choice. With a 25mL capacity and precision graduations of 0.1mL, it guarantees exceptional accuracy, boasting a tolerance of just 0.05mL. Made from durable borosilicate glass, it withstands thermal and chemical stress, making it versatile for various applications. The glass key stopcock allows for smooth, leak-free operation, giving you precise control over fluid flow. Just remember to clean it thoroughly before first use for accurate and safe handling. This burette is perfect for all your measurement needs!
Best For: Researchers, educators, and hobbyists seeking precision and reliability in liquid measurement.
Pros:
- Durable borosilicate glass ensures excellent thermal and chemical resistance.
- Precise graduations of 0.1mL with a tolerance of 0.05mL for exceptional accuracy.
- Smooth, leak-free operation with a glass key stopcock for precise fluid control.
Cons:
- Requires thorough cleaning before first use to ensure accurate handling.
- Lubrication needed for optimal performance of the stopcock.
- Limited to a 25mL capacity, which may not suit all experimental needs.
EISCO Burette with PTFE Key Stopcock (10ml)
The EISCO Burette with PTFE Key Stopcock (10ml) stands out as an excellent choice for both budding chemists and seasoned professionals seeking reliable accuracy in their measurements. Made from heavy-duty borosilicate glass, it boasts a Class A rating and an impressive tolerance of ±0.03ml. With blue graduations marked every 1ml and a subdivision of 0.05ml, it’s great for precise applications. While users praise its shipping and build quality, some have noted concerns about the visibility of the graduations and the durability of the markings. Careful handling is essential due to the sensitivity of the stopcock and potential wear from cleaning.
Best For: The EISCO Burette with PTFE Key Stopcock (10ml) is best for both novice and experienced chemists looking for precise measurement tools for laboratory applications.
Pros:
- High-quality heavy-duty borosilicate glass construction ensures durability.
- Class A rating with a high level of accuracy (±0.03ml) for reliable results.
- Suitable for various applications, including wine-related titrations and soy-based chemistry.
Cons:
- Visibility of the blue graduations may be challenging for some users due to their faintness.
- Concerns regarding the longevity of the markings under repeated cleaning.
- Sensitivity of the stopcock requires careful handling to avoid flow rate issues.
Eisco Labs Intermediate Titration Kit
Perfect for high school and college students, the Eisco Labs Intermediate Titration Kit provides everything you need for accurate titration experiments. It includes a 50mL Class B borosilicate burette with precise 0.10mL graduations, ensuring reliable measurements. The durable glass withstands high temperatures, while the stable setup features a 60cm stainless steel rod and a heavy powder-coated base. Designed by lab professionals, this kit meets high standards of quality and durability. With a PTFE stopcock and all essential components included, you’ll find it ideal for both basic and advanced titration tasks in educational and research environments.
Best For: High school and college students looking for reliable and accurate titration equipment for educational and research purposes.
Pros:
- Complete kit includes all necessary components for accurate titration experiments.
- Durable borosilicate glass burette is resistant to heat and chemicals.
- Stable setup with a heavy base and stainless steel rod ensures precision during experiments.
Cons:
- May be more advanced for beginners who are just starting with titration.
- The 50mL capacity may not be sufficient for larger scale experiments.
- Requires careful handling to avoid breakage of glass components.
EISCO 25mL Acrylic Burette with PTFE Key Stopcock
Designed for those who demand precision in their measurements, the EISCO 25mL Acrylic Burette with PTFE Key Stopcock offers an exceptional balance of accuracy and durability. This Class B burette has a tolerance of ± 0.10mL and complies with DIN ISO 385 standards, ensuring reliable results. You’ll appreciate the easy-to-read blue printed scale with graduations at 0.10mL, making it simple to track your measurements. The PTFE straight bore stopcock allows for smooth and precise dispensing, while the high-quality acrylic construction resists most dilute minerals, acids, and bases, promising longevity in your lab. Trust EISCO for your titration needs!
Best For: Ideal for laboratory professionals and students who require precise volumetric measurements in their experiments.
Pros:
- High accuracy: Class B precision with a tolerance of ± 0.10mL ensures reliable results.
- Durable material: Made from high-quality acrylic, resistant to most dilute minerals, acids, and bases.
- User-friendly design: Easy-to-read blue printed scale with 0.10mL graduations for clear measurement tracking.
Cons:
- Limited capacity: Only holds up to 25mL, which may not be sufficient for larger experiments.
- Plastic material: Acrylic may not be as durable as glass alternatives in certain laboratory conditions.
- Stopcock maintenance: PTFE stopcock may require regular cleaning to maintain smooth operation.
EISCO 100ml Schellbach Glass Burette – Class A – PTFE Stopcock
For those needing precise fluid measurements in a laboratory or automotive setting, the EISCO 100ml Schellbach Glass Burette stands out with its Class A accuracy, adhering to DIN 12700 and ISO 385 standards. With a capacity of 100ml and a tolerance of ± 0.10ml, it’s perfect for measuring combustion chamber volumes or filling essential oils. The premium glass features clear blue graduations against a white backing for easy reading. While generally well-packaged, some users reported breakage upon delivery. Despite this, many appreciate its functionality and ease of use, making it a reliable choice for accurate measurements.
Best For: Those requiring precise fluid measurements in laboratories or automotive applications.
Pros:
- Class A accuracy according to DIN 12700 and ISO 385 standards ensures reliable measurements.
- Clear blue graduations on a white backing facilitate easy reading of measurements.
- Versatile use for various applications, including automotive engine analysis and essential oil filling.
Cons:
- Some users reported breakage upon delivery, despite adequate packaging.
- Concerns about durability and longevity due to the fragility of the glass material.
- Mixed feedback on the size, with some finding it larger than anticipated.
Pyrex 2094 Large Volume Class B Glass Burette, 1000 mL; 1/Cs
The Pyrex 2094 Large Volume Class B Glass Burette is an excellent choice for laboratories that require precise fluid dispensing with a capacity of up to 1000 mL. Its PTFE 2-mm bore stopcock minimizes freezing and contamination, ensuring reliable results. You’ll appreciate the microfinished barrel that guarantees a precision fit, while the accurate tips help control the drainage rate effectively. With a graduation interval of 10 mL and a tolerance of ±5 mL, this burette meets your needs for larger volume measurements. The durable colored scale and included dust cap make maintenance simple, keeping your fluids intact for accurate experiments.
Best For: Laboratories requiring precise fluid dispensing and larger volume measurements.
Pros:
- Durable design with a colored scale for easy readability.
- PTFE stopcock minimizes the risk of freezing and contamination.
- Microfinished barrel ensures a precision fit for accurate measurements.
Cons:
- Limited to a tolerance of ±5 mL, which may not be suitable for all applications.
- Larger size may make it less convenient for smaller tasks.
- Glass construction may be more fragile compared to plastic alternatives.
Factors to Consider When Choosing Lab Burettes
When you’re choosing lab burettes, you need to contemplate several key factors. Accuracy and tolerance levels, material quality, and stopcock design can all impact your measurements. Make sure to evaluate capacity options and calibration standards to find the right fit for your needs.
Accuracy and Tolerance Levels
Choosing the right lab burette hinges on understanding accuracy and tolerance levels, as these factors directly impact your measurement precision. Typically, burettes are classified as Class A or Class B, with Class A offering higher precision and a tolerance of ±0.05ml, making it ideal for critical measurements. In contrast, Class B burettes have a tolerance of ±0.10ml. The graduation intervals also play a key role; smaller subdivisions, such as 0.1ml graduations, allow for finer measurements than 0.2ml graduations. Compliance with international standards like DIN ISO 385 guarantees that your chosen burette meets specific accuracy and tolerance requirements. Always consider your intended application, as experiments needing high precision will benefit from burettes with tighter tolerances and accurate calibrations.
Material Quality and Durability
Selecting lab burettes made from high-quality materials is essential for ensuring both accuracy and durability in your measurements. Look for burettes made from heavy-duty Borosilicate 3.3 glass, which offers excellent chemical durability and thermal resistance, making them versatile for various applications. Durability is further enhanced by features like autoclavability, allowing them to withstand high temperatures and thermal shocks. When considering accuracy, choose Class A burettes with tighter tolerances (±0.05ml) for more precise measurements compared to Class B (±0.10ml). Quality construction can help prevent breakage during shipping and handling, minimizing concerns. Finally, opt for burettes with chemical-resistant printing, ensuring that graduations remain clear and readable even after extensive cleaning.
Stopcock Design Features
Although many factors influence the accuracy of lab burettes, the design of the stopcock plays an important role in fluid control during titrations. Choosing between PTFE or glass key stopcocks can impact precision and ease of use. Stopcock sensitivity is vital; even slight adjustments can lead to significant changes in liquid dispensing accuracy. A straight bore design typically allows for smoother operation and minimizes leak risks. Additionally, the quality of the stopcock material, especially PTFE, enhances chemical resistance and reduces contamination in sensitive experiments. To guarantee peak performance, regular lubrication of stopcocks is necessary, promoting leak-free operation and extending the component’s lifespan. Prioritize these design features for effective and accurate titration results.
Capacity and Size Options
When it comes to lab burettes, you’ll find a range of capacities, typically from 10 mL to 1000 mL, to match your experimental needs. Smaller burettes, like those in the 25 mL to 50 mL range, are perfect for precise titrations and small volumes, while larger burettes serve bulk dispensing purposes. Keep in mind that the size you choose can affect accuracy; smaller volumes often have finer graduations for more precise measurements, whereas larger volumes might have broader intervals. Additionally, burette lengths vary from 22.5 inches for smaller sizes to over 32 inches for larger ones, impacting usability and visibility. Always consider your specific application and liquid volume requirements for ideal compatibility and convenience.
Calibration Standards Compliance
Verifying your lab burette complies with calibration standards is essential for achieving accurate measurements. Opt for Class A burettes, which typically offer tighter tolerances of ±0.05ml compared to Class B’s ±0.10ml. If you’re engaged in precise tasks, Class A is the better choice. Look for burettes that conform to DIN ISO 385 standards, as they guarantee reliable performance for titration and fluid measurements. Accurate graduations are critical, so check common subdivisions, which are often 0.1ml or 0.2ml. Remember, regular verification against calibration standards is important to maintain your burette’s reliability over time. This guarantees consistent performance and adherence to required measurement specifications, ultimately enhancing the accuracy of your lab work.