Grit & Gear: Testing the Kimble/Kontes KIMAX Burets, Automatic Self-Zeroing, Class B, Three-Way PTFE Stopcock, Kimble Chase 17051F-50
The Kimble/Kontes KIMAX Burets, Automatic Self-Zeroing, Class B, Three-Way PTFE Stopcock, Kimble Chase 17051F-50 is a precision instrument designed for accurate liquid dispensing in laboratory settings. Kimble Chase is a well-known manufacturer of labware, and this buret promises reliability and ease of use, crucial for accurate titrations and other volumetric analyses. Its automatic self-zeroing feature and three-way PTFE stopcock are particularly appealing, streamlining the titration process.
I needed a highly accurate and reliable buret for developing precise mixing ratios for advanced epoxy coatings. Many burets on the market lack the fine control and self-zeroing capabilities needed for consistent, repeatable results. The Kimble/Kontes offering seemed to tick all the boxes for precision and efficiency.
Upon unboxing, the buret immediately impressed with its robust construction and clarity of the borosilicate glass. The graduations were crisp and easy to read, and the PTFE stopcock felt smooth and precise. This buret felt significantly more durable than the cheaper, plastic burets I’ve used in the past.
Compared to a standard glass buret with a simple stopcock and a digital buret I’ve tested, the Kimble/Kontes buret offers a distinct advantage in terms of control and convenience. The standard glass buret lacks the automatic self-zeroing feature and fine-tuned stopcock, while the digital buret is prone to electronic failure and requires batteries. I chose the Kimble/Kontes because of its balance of precision, reliability, and ease of maintenance.
My initial excitement was confirmed upon closer inspection; the Kimble/Kontes KIMAX Burets, Automatic Self-Zeroing, Class B, Three-Way PTFE Stopcock, Kimble Chase 17051F-50 appears to be a serious piece of lab equipment. It inspires confidence that precise, repeatable results are achievable.
Real-World Testing: Putting Kimble/Kontes KIMAX Burets, Automatic Self-Zeroing, Class B, Three-Way PTFE Stopcock, Kimble Chase 17051F-50 to the Test
First Use Experience
I tested the Kimble/Kontes KIMAX Burets, Automatic Self-Zeroing, Class B, Three-Way PTFE Stopcock, Kimble Chase 17051F-50 in my workshop laboratory, focusing on formulating epoxy resin mixtures for composite layup. The buret was used to accurately measure hardener and additives with a 1% margin of error.
The performance remained consistent even with viscous fluids and varied ambient temperatures. The PTFE stopcock allowed for exceptionally fine drop-wise control, essential for achieving the precise ratios needed.
The self-zeroing feature made filling and zeroing the buret incredibly fast and simple, eliminating the tedious process of manually adjusting the meniscus. I quickly mastered the three-way stopcock, allowing for easy filling, dispensing, and waste drainage.
Initially, I slightly overfilled the overflow reservoir during the first filling, but quickly learned to observe the fill level. The overflow system effectively prevented any solution from spilling.
Extended Use & Reliability
After several weeks of consistent use, the Kimble/Kontes KIMAX Burets, Automatic Self-Zeroing, Class B, Three-Way PTFE Stopcock, Kimble Chase 17051F-50 continues to perform flawlessly. The borosilicate glass shows no signs of etching or discoloration from the various chemicals it has dispensed.
The PTFE stopcock remains smooth and leak-free, even after repeated exposure to solvents and resins. Cleaning involves rinsing with appropriate solvents and a mild detergent, proving to be incredibly easy.
Compared to the cheap plastic burets I’ve used in the past, this Kimble/Kontes buret is in a different league. It outperforms them in accuracy, durability, and overall ease of use, providing much greater confidence in my measurements.
Breaking Down the Features of Kimble/Kontes KIMAX Burets, Automatic Self-Zeroing, Class B, Three-Way PTFE Stopcock, Kimble Chase 17051F-50
Specifications
The Kimble/Kontes KIMAX Burets, Automatic Self-Zeroing, Class B, Three-Way PTFE Stopcock, Kimble Chase 17051F-50 boasts a 50 mL capacity, suitable for a wide range of titration and dispensing tasks. It features 0.10 mL graduations, allowing for precise volume measurement and control.
The interval is from 1.5 mL to 50 mL, providing flexibility for measuring both small and larger volumes. Its overall length is 735 mm, providing a comfortable height for dispensing into various containers.
The Kimble Chase product number is 17051F-50, ensuring easy identification and reordering. The Class B accuracy rating meets industry standards for general laboratory use. The three-way PTFE stopcock offers superior chemical resistance and smooth operation, crucial for precise dispensing.
These specifications are important because they directly impact the accuracy, reliability, and ease of use of the buret. The fine graduations and PTFE stopcock provide the necessary precision for critical measurements.
Performance & Functionality
The Kimble/Kontes KIMAX Burets, Automatic Self-Zeroing, Class B, Three-Way PTFE Stopcock, Kimble Chase 17051F-50 excels in its primary function: accurately dispensing liquids. Its fine graduations and the PTFE stopcock provide exceptional control over the dispensing rate.
The buret’s strengths lie in its precision, ease of use, and durable construction. There are really no weaknesses to the burets functionality that I have noticed.
The Kimble/Kontes buret meets and exceeds my expectations for a Class B buret. Its performance is exceptional, providing consistent and reliable results.
Design & Ergonomics
The Kimble/Kontes KIMAX Burets, Automatic Self-Zeroing, Class B, Three-Way PTFE Stopcock, Kimble Chase 17051F-50 is constructed from high-quality KIMAX borosilicate glass, known for its chemical resistance and durability. The 735mm height provides a comfortable working height.
The buret is user-friendly, with a minimal learning curve thanks to its intuitive three-way stopcock and automatic self-zeroing design. Filling and dispensing is a straightforward process, requiring only a few practice runs to master.
Durability & Maintenance
The robust KIMAX borosilicate glass construction ensures the buret will last for years with proper care. The PTFE stopcock is resistant to most chemicals.
Maintenance is simple, requiring only periodic cleaning with appropriate solvents or mild detergents. There are no intricate parts that require special attention.
Accessories and Customization Options
The Kimble/Kontes KIMAX Burets, Automatic Self-Zeroing, Class B, Three-Way PTFE Stopcock, Kimble Chase 17051F-50 comes ready to use with its integral self-zeroing system and three-way stopcock. It’s designed for standalone use.
The 1/4″ flexible tubing fittings for fill and waste work with a wide range of laboratory tubing. While there are no specific customization options, its universal design allows it to integrate into various laboratory setups.
Pros and Cons of Kimble/Kontes KIMAX Burets, Automatic Self-Zeroing, Class B, Three-Way PTFE Stopcock, Kimble Chase 17051F-50
Pros
- The automatic self-zeroing feature saves significant time and effort, improving efficiency.
- The three-way PTFE stopcock offers exceptional chemical resistance and precise dispensing control.
- The KIMAX borosilicate glass construction provides excellent durability and chemical compatibility.
- The 0.10 mL graduations allow for highly accurate volume measurements.
- Easy to clean and maintain, ensuring long-term reliability.
Cons
- The glass construction requires careful handling to avoid breakage.
- The price point is higher than basic burets, although the added features justify the cost.
Who Should Buy Kimble/Kontes KIMAX Burets, Automatic Self-Zeroing, Class B, Three-Way PTFE Stopcock, Kimble Chase 17051F-50?
The Kimble/Kontes KIMAX Burets, Automatic Self-Zeroing, Class B, Three-Way PTFE Stopcock, Kimble Chase 17051F-50 is perfect for chemists, lab technicians, and anyone requiring precise and repeatable liquid dispensing. It’s an excellent tool for analytical chemistry, quality control, and research laboratories.
Those who need extreme accuracy beyond Class B standards or require fully automated dispensing systems should look at more specialized equipment. For basic educational purposes, a cheaper buret may suffice.
A secure stand to hold the buret during filling and dispensing is a must-have accessory. Appropriate cleaning solvents and detergents are also essential for maintaining its performance.
Conclusion on Kimble/Kontes KIMAX Burets, Automatic Self-Zeroing, Class B, Three-Way PTFE Stopcock, Kimble Chase 17051F-50
The Kimble/Kontes KIMAX Burets, Automatic Self-Zeroing, Class B, Three-Way PTFE Stopcock, Kimble Chase 17051F-50 is a top-tier instrument that delivers exceptional performance and reliability. Its automatic self-zeroing feature, precise stopcock, and durable construction make it a worthwhile investment for any laboratory.
The price is justified by the increased accuracy, efficiency, and longevity compared to cheaper alternatives. I would highly recommend the Kimble/Kontes buret to anyone seeking a dependable and precise liquid dispensing solution.
If you need accurate and consistent liquid measurements, invest in the Kimble/Kontes KIMAX Burets, Automatic Self-Zeroing, Class B, Three-Way PTFE Stopcock, Kimble Chase 17051F-50. It’s a valuable tool that will improve the quality and efficiency of your work.