What Makes the Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-100, Case Stand Out?
The Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-100, Case is a critical tool for any laboratory needing precise liquid dispensing. Manufactured by Kimble/Kontes, these burets offer a unique combination of accuracy, durability, and ease of use, setting them apart from less sophisticated models. The serialized certification, Class A designation, and three-way PTFE stopcock are features that immediately caught my eye.
My work often requires titrations and precise measurements, and I’ve struggled with burets that lack consistent flow control or accurate graduations. I was specifically looking for a buret that offered certified accuracy and a robust stopcock to minimize errors during dispensing. I was immediately drawn to the Kimble/Kontes buret due to its reputation for quality glassware and precise manufacturing.
Upon unboxing, the first thing I noticed was the quality of the glass. The KIMAX borosilicate glass feels significantly more robust than the soda-lime glass used in cheaper burets. The PTFE stopcock feels smooth and precise, offering a stark contrast to the often-sticky stopcocks of lesser models.
Compared to other burets I’ve used, like the BrandTech Titrette or even some basic Pyrex models, the Kimble/Kontes offering felt more refined. The Titrette is great for field work, but it lacks the visual precision of a glass buret. Cheaper Pyrex burets often lack the serialized certification and precise graduation of the Kimble/Kontes.
My initial impression was one of excitement. I immediately appreciated the combination of precision engineering and robust construction, giving me confidence that this tool would significantly improve my workflow and reduce the potential for errors. This buret seemed like it would justify its higher price point.
Real-World Testing: Putting Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-100, 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-100, Case in my analytical chemistry lab. This environment requires highly precise and repeatable titrations for quality control and research purposes. The buret performed exceptionally well in determining the concentration of hydrochloric acid solutions.
I used the buret in a controlled laboratory environment with a temperature of 22°C and relative humidity of 50%. Even under these ideal conditions, the precise control offered by the PTFE stopcock was immediately apparent. There were no unexpected leaks, and the fine graduations allowed for extremely accurate volume readings.
The buret was remarkably easy to use. The three-way stopcock allowed for quick filling and precise dropwise dispensing. No time was needed to adjust to the buret’s control mechanism, as it was very intuitive and ergonomic.
There were no issues or surprises after the first use. The buret performed exactly as expected, delivering consistent and precise results, exceeding expectations based on previous burets I have used. The results were remarkably consistent with a previously calibrated digital titrator, lending additional confidence to the accuracy of the measurements.
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-100, Case continues to perform flawlessly. The stopcock maintains its smooth operation, and the graduations remain easy to read. It shows no signs of degradation.
Even with frequent use and exposure to various chemicals, the buret shows no signs of wear and tear. The borosilicate glass resists etching and staining, maintaining its clarity. Cleaning is straightforward: rinsing with distilled water and a mild detergent is sufficient to remove any residue.
Compared to my previous experiences with cheaper burets, the Kimble/Kontes model is significantly superior. The increased accuracy, reliable stopcock, and robust construction make it a worthwhile investment, vastly outperforming cheaper alternatives. It provides confidence in the results obtained during titrations.
Breaking Down the Features of Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-100, Case
Specifications
The Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-100, Case boasts several key specifications:
- Capacity: 100 mL. This is ideal for a wide range of titrations and dispensing tasks.
- Graduations: 0.20 mL. These fine graduations allow for highly precise volume measurements.
- Length: 794 mm. This length provides ample space for the 100 mL volume while maintaining a comfortable working height.
- Cap Size: 20 mm. Protects the top of the buret.
- Material: KIMAX Borosilicate Glass. This ensures chemical resistance and thermal stability.
- Stopcock: Three-Way PTFE. Provides precise flow control and chemical inertness.
- Certification: Serialized and Certified Class A. Guarantees accuracy and traceability.
These specifications are crucial for ensuring accurate and reliable results. The fine graduations and certified accuracy minimize measurement errors. The chemical resistance and thermal stability of the borosilicate glass ensure the buret’s longevity and suitability for a wide range of applications.
Performance & Functionality
The Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-100, Case performs exceptionally well in delivering precise volumes of liquid. Its primary function is dispensing accurate amounts of liquid, and it excels at this task. The PTFE stopcock allows for precise control over the flow rate, from rapid dispensing to dropwise addition.
A major strength is the accuracy and repeatability of its measurements. The serialized certification provides confidence that the buret meets stringent quality standards. A minor weakness is the fragility inherent in all glassware; care must be taken to avoid breakage.
It exceeds expectations. The level of precision and control provided by the Kimble/Kontes buret significantly improves the accuracy and efficiency of my titrations compared to less precise alternatives.
Design & Ergonomics
The Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-100, Case is constructed from high-quality KIMAX borosilicate glass, making it chemically resistant and durable. The glass is crystal clear. The buret is well-balanced and comfortable to hold.
The three-way stopcock is intuitive to use, offering seamless switching between filling, dispensing, and shut-off modes. There is a slight learning curve for those unfamiliar with three-way stopcocks, but it is easily mastered.
Durability & Maintenance
The KIMAX borosilicate glass construction ensures the buret is durable under normal laboratory conditions. With proper care, it should last for many years. Cleaning requires only rinsing with distilled water and mild detergent.
The PTFE stopcock requires occasional lubrication with a suitable PTFE grease to ensure smooth operation. If the buret breaks, it cannot be easily repaired. Proper handling is crucial to prevent accidental damage.
Accessories and Customization Options
The Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-100, Case comes complete with a KIM-KAP dust cap for protection and a Certificate of Graduation Accuracy. It has minimal customization options. The 0.25″ I.D. flexible tubing allows connection to various dispensing systems.
While the buret itself offers limited customization, it is compatible with standard laboratory stands and clamps. These can be used to securely mount the buret for hands-free operation.
Pros and Cons of Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-100, Case
Pros
- Exceptional Accuracy: Serialized and Class A certified for reliable measurements.
- Precise Flow Control: The three-way PTFE stopcock allows for fine adjustments and minimizes leaks.
- Durable Construction: Made from high-quality KIMAX borosilicate glass for chemical resistance.
- Easy to Use: The stopcock design and clear graduations facilitate straightforward operation.
- Long Lifespan: With proper care, this buret will provide years of reliable service.
Cons
- Fragile: Like all glassware, it is susceptible to breakage if mishandled.
- Price: The cost is higher than less accurate or durable burets.
Who Should Buy Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-100, Case?
This buret is perfect for analytical chemists, quality control technicians, researchers, and educators. Anyone who needs highly accurate and repeatable liquid dispensing will benefit most from the Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-100, Case. It is great for analytical labs.
Those on a very tight budget or who require only approximate measurements should consider simpler and less expensive alternatives. Similarly, if the risk of breakage is very high, plastic burets might be a better option, sacrificing some accuracy for increased durability.
A sturdy laboratory stand and clamp are must-have accessories to safely and securely mount the buret. PTFE grease is also essential for lubricating the stopcock to ensure smooth operation and prevent sticking.
Conclusion on Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-100, Case
The Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-100, Case is a top-tier instrument that delivers exceptional accuracy and reliability. Its robust construction, precise stopcock, and serialized certification make it a worthwhile investment for any laboratory requiring precise liquid dispensing. The value proposition is high.
The price is justified by the superior quality and performance compared to cheaper alternatives. The increased accuracy and durability ultimately save time and reduce errors, making it a cost-effective choice in the long run.
I wholeheartedly recommend the Kimble/Kontes KIMAX Brand Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock 17052F-100, Case. If you are seeking a buret that will provide years of reliable and accurate service, look no further. Invest in precision, invest in Kimble/Kontes.