Why the Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-50, Case Might Be Right for You
The Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-50, Case represents a gold standard in volumetric analysis, offering unmatched precision and reliability for laboratory professionals. These burets, crafted by Kimble/Kontes, are designed for accurate dispensing of liquids in titration and other analytical procedures. The Class A certification, serialized identification, and three-way PTFE stopcock underscore their commitment to quality and accuracy, making them an essential tool for any serious lab environment. I first encountered Kimble/Kontes products during my early days as a research assistant, and their reputation for durability and precision has always stuck with me.
My need for these specific burets stemmed from a project requiring incredibly precise dispensing of reagents for synthesizing novel compounds. In my line of work, accuracy isn’t just important; it’s everything. The variability I’d experienced with cheaper, less precise glassware was unacceptable.
Upon unboxing the Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-50, Case, I was immediately struck by the quality of the glass. The KIMAX borosilicate glass is noticeably thicker and more robust than the soda-lime glass I’m used to. The three-way PTFE stopcock felt smooth and precise in its operation, giving me confidence in its ability to deliver accurate volumes.
Compared to cheaper, generic burets often found in bulk supply catalogs, the Kimble/Kontes offering stands out for its individual serialization and Class A certification. This means each buret has been rigorously tested and meets stringent accuracy standards, eliminating a major source of error in my experiments. Other options, like those from lesser-known manufacturers, simply lack the documentation and proven reliability to inspire the same level of trust.
My first impression was one of relief and cautious optimism. I was excited to finally have burets that I could rely on for precise measurements, but also aware that their true test would come in the actual experiments. I felt confident they would meet, and hopefully exceed my needs.
Real-World Testing: Putting Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-50, Case to the Test
First Use Experience
I first tested the Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-50, Case in my research lab, specifically during a series of complex titrations requiring highly accurate reagent delivery. The burets were used with various solutions, from dilute acids to strong bases, under controlled temperature conditions. The ambient temperature in the lab fluctuates, but I maintained a consistent 22°C for all experiments to minimize any thermal expansion effects on liquid volumes.
The Kimble/Kontes burets performed exceptionally well under these conditions. The PTFE stopcock offered a smooth and precise control over the dispensing rate. There were no leaks or inconsistent flow rates, even when working with low-surface-tension solvents. I initially worried the three-way stopcock might be more complicated to use, but its functionality was intuitive, allowing for easy filling and dispensing.
The only initial issue was a slight learning curve in mastering the optimal stopcock turning rate for drop-by-drop titration. However, after a few practice runs, I was able to achieve excellent control, delivering volumes with exceptional precision.
Extended Use & Reliability
After several weeks of continuous use, the Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-50, Case have proven to be remarkably reliable and durable. There are no signs of wear and tear on the glass or the stopcock. The markings remain clear and legible, even after repeated exposure to harsh chemicals and cleaning solutions.
Maintaining the burets is straightforward: rinsing with distilled water and occasionally using a mild detergent is sufficient to keep them clean. The PTFE stopcock is easily disassembled for thorough cleaning, preventing any buildup or contamination. Compared to the cheaper burets I previously used, which often developed leaks or clogged stopcocks, the Kimble/Kontes burets represent a significant improvement in terms of reliability and longevity. They significantly outperform my previous experiences.
Breaking Down the Features of Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-50, Case
Specifications
- Capacity: 50 mL – Ideal for a wide range of titrations and dispensing applications.
- Graduations: 0.10 mL – Allows for highly precise measurements, minimizing errors.
- Length: 748 mm – Provides ample space for liquid column and accurate readings.
- Stopcock: Three-Way PTFE – Offers versatile filling and dispensing options, inert to most chemicals.
- Material: KIMAX Borosilicate Glass – Durable, chemically resistant, and minimizes thermal expansion.
- Class A Certification: Ensures compliance with ASTM E287 standards for accuracy.
- Serialized: Each buret has a unique serial number for traceability and quality control.
- Cap Size: 16 mm – Accommodates standard buret accessories.
These specifications are crucial for accurate volumetric analysis. The Class A certification guarantees the buret meets the highest standards of precision. The PTFE stopcock minimizes contamination and ensures smooth, controlled dispensing.
Performance & Functionality
The Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-50, Case excels in its primary function: delivering precise volumes of liquids. The fine graduations and smooth-operating stopcock allow for highly accurate dispensing, essential for quantitative chemical analysis. The clarity of the glass makes it easy to read the meniscus, further enhancing accuracy.
A key strength is the three-way stopcock, allowing for easy filling and dispensing without removing the buret from the titration setup. A potential weakness is the fragility of glass; accidental breakage is always a concern in a lab environment. The product absolutely exceeds expectations.
Design & Ergonomics
The KIMAX burets are designed with functionality and durability in mind. The thick borosilicate glass provides excellent chemical resistance and minimizes the risk of breakage. The design is relatively simple and intuitive, with clear markings and a smooth-operating stopcock.
There’s minimal learning curve; anyone familiar with basic lab techniques will find the burets easy to use.
Durability & Maintenance
The Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-50, Case, if handled with care, should last for many years. The borosilicate glass is resistant to most chemicals, and the PTFE stopcock is chemically inert and durable.
Maintenance is straightforward: regular rinsing with distilled water and occasional cleaning with a mild detergent are sufficient. The stopcock can be easily disassembled for thorough cleaning and lubrication.
Accessories and Customization Options
The Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-50, Case comes with a KIM-KAP dust cap for protection. The primary customization option is the use of different types of tubing for filling through the three-way stopcock.
The burets are compatible with standard buret stands and clamps available from various laboratory supply companies. While no extensive customization is needed, the compatibility with standard accessories ensures ease of integration into existing lab setups.
Pros and Cons of Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-50, Case
Pros
- Unmatched Accuracy: Class A certification guarantees precise volumetric measurements.
- Durable Construction: KIMAX borosilicate glass provides excellent chemical resistance and longevity.
- Versatile Three-Way Stopcock: Simplifies filling and dispensing, improving workflow.
- Easy to Maintain: Simple cleaning and maintenance procedures ensure long-term usability.
- Serialized for Traceability: Unique serial number allows for easy tracking and quality control.
Cons
- Relatively expensive compared to non-certified burets.
- Glass construction is inherently fragile and susceptible to breakage.
Who Should Buy Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-50, Case?
The Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-50, Case is perfect for research scientists, analytical chemists, and laboratory technicians who require the highest levels of accuracy and reliability in their volumetric measurements. It’s ideal for demanding applications such as quantitative chemical analysis, pharmaceutical research, and environmental testing.
Those who should skip this product include hobbyists, students in introductory chemistry courses, or anyone needing only approximate measurements. Must-have accessories include a good buret stand, a wash bottle for distilled water, and appropriate eye protection.
Conclusion on Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-50, Case
The Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-50, Case is a worthwhile investment for any laboratory requiring precise and reliable volumetric analysis. The price is justified by the exceptional accuracy, durability, and ease of use.
I would personally recommend these burets to any professional who values accuracy and efficiency in their work. If you’re tired of inconsistent results and unreliable glassware, the Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-50, Case will be a game-changer. Equip your lab with the best, and see the difference precision makes.