Everything You Need to Know About the Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 50
The Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 50 isn’t exactly the kind of tactical gear I typically review, but its precision and reliability are vital in many applications, from water testing in the field to ensuring accurate dilutions for gear maintenance solutions. Made by Kimble Chase, this buret is a 50mL capacity, Class A borosilicate glass instrument designed for accurate liquid dispensing in laboratory settings. Its threaded closure and PTFE stopcock are intended to eliminate leaks and ensure smooth, controlled dispensing, making it a tool that demands respect and careful consideration.
My need for this buret stemmed from a growing concern about the accuracy of my DIY gear cleaning and preservation solutions. I was mixing my own rust inhibitors and waterproofing treatments, and I suspected inconsistencies were impacting their effectiveness. A precise tool like the Kimble/Kontes KIMAX Buret promised to eliminate the guesswork and deliver consistent results, ensuring my valuable equipment was properly cared for.
Unboxing the buret, I was immediately struck by the quality of the glass. It felt substantial yet delicate, a testament to its borosilicate construction. The threaded closure system and PTFE stopcock appeared robust and well-engineered, promising a leak-free and precise operation.
Compared to cheaper, plastic burets I’d seen, the Kimble/Kontes KIMAX Buret felt like a professional-grade instrument. I considered a digital burette for even greater precision, but the Kimble/Kontes KIMAX Buret’s simplicity and lack of electronic components appealed to my preference for rugged, reliable tools. My initial impression was a blend of excitement and slight apprehension; it was a tool that demanded respect and proper technique.
Real-World Testing: Putting Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 50 to the Test
First Use Experience
My first test involved creating a diluted solution of citric acid to remove rust from some antique tools I had unearthed. I set up the Kimble/Kontes KIMAX Buret in my workshop, carefully filling it with the concentrated acid. The PTFE stopcock provided smooth, precise control over the flow, allowing me to dispense the exact amount needed for the dilution.
The buret performed flawlessly in my controlled workshop environment. The threaded closure fit indeed prevented any leaks, and the straight bore stopcock offered exceptional control. The 0.1 mL graduations allowed for fine-tuning, and I felt confident in the accuracy of my solution.
Extended Use & Reliability
After several weeks of use, primarily for mixing various cleaning and preservation solutions, the Kimble/Kontes KIMAX Buret has consistently delivered precise and reliable results. Cleaning requires care due to the glass construction, but a thorough rinse with distilled water is usually sufficient. I’ve noticed no signs of wear and tear, and the stopcock continues to operate smoothly.
Compared to my previous methods of using graduated cylinders and pipettes, the Kimble/Kontes KIMAX Buret is a significant upgrade. It allows for much finer control and reduces the risk of spills and inaccuracies. It has exceeded my expectations, proving to be a valuable tool in my gear maintenance arsenal.
Breaking Down the Features of Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 50
Specifications
- Capacity: 50 mL, ideal for a range of solution preparation tasks. This is perfect for making batches of cleaner, lubricant, or rust preventative.
- Graduations: 0.1 mL increments provide a high level of precision. This fine control ensures accurate dilutions and consistent results.
- Length: 725 mm, offering a comfortable working height. The length prevents excessive bending and promotes accurate dispensing.
- Cap Size: 16 mm, ensuring a secure fit for the dust cap. This keeps the buret clean and prevents contamination when not in use.
- Stopcock: Straight bore PTFE stopcock for smooth, controlled dispensing. PTFE (Teflon) is chemically inert and provides a leak-free seal.
- Closure: Threaded closure fit prevents accidental dislodging of the stopcock assembly. This adds a crucial layer of safety and prevents spills.
- Material: KIMAX borosilicate glass for chemical resistance and durability. Borosilicate glass is resistant to thermal shock and most chemicals.
- Kimble Chase No.: 17121H 50, a unique identifier for this specific model. This ensures easy reordering and compatibility with Kimble Chase accessories.
Performance & Functionality
The Kimble/Kontes KIMAX Buret excels in delivering precise and controlled liquid dispensing. The PTFE stopcock is exceptionally smooth, allowing for drop-by-drop control. The 0.1 mL graduations are clear and easy to read, minimizing parallax errors.
The main strength lies in its accuracy and reliability. The primary weakness is its fragility; it requires careful handling to avoid breakage. It meets expectations for precision and consistency, making it a worthwhile investment.
Design & Ergonomics
The buret is made of high-quality borosilicate glass, which feels substantial and durable. Its tall, slender design requires a stable setup, but the long body allows for easy viewing of the liquid level. The threaded closure provides a secure connection, preventing accidental spills.
The Kimble/Kontes KIMAX Buret is relatively user-friendly, though proper technique is essential for accurate results. The PTFE stopcock may require initial lubrication for optimal performance.
Durability & Maintenance
With proper care, the Kimble/Kontes KIMAX Buret should last for many years. Borosilicate glass is resistant to most chemicals, but it’s still essential to clean the buret after each use. Cleaning involves rinsing with a suitable solvent and drying it thoroughly.
Replacing the PTFE stopcock is possible if it becomes worn, but this is rarely necessary with proper use. The Kimble Chase website has clear directions for cleaning and maintenance to prolong life.
Accessories and Customization Options
The buret comes with a KIM-KAP dust cap to protect it from contamination. No specific customization options are available, but various stands and support clamps can be purchased separately. The standard thread size should be compatible with stands from other laboratory equipment suppliers.
Pros and Cons of Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 50
Pros
- Exceptional precision with 0.1 mL graduations for accurate liquid dispensing. This ensures consistent results in sensitive applications.
- Smooth and controlled dispensing with the straight bore PTFE stopcock. It allows for drop-by-drop control, minimizing waste and maximizing accuracy.
- Durable borosilicate glass construction for chemical resistance and long-lasting performance.
- Threaded closure fit prevents accidental dislodging of the stopcock assembly, enhancing safety.
- Easy to clean and maintain with proper care. It ensures long-term reliability.
Cons
- Fragile glass construction requires careful handling to prevent breakage.
- Relatively expensive compared to plastic alternatives.
Who Should Buy Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 50?
The Kimble/Kontes KIMAX Buret is perfect for anyone who requires accurate liquid dispensing in a laboratory or field setting. This includes those mixing their own gear maintenance solutions, creating custom lubricants, or performing water quality tests.
Those who are comfortable with less precise methods or who need a more durable option might want to skip this product. They should consider a plastic burette or graduated cylinder instead. A buret stand and appropriate cleaning supplies are must-have accessories for proper use and maintenance.
Conclusion on Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 50
The Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 50 is a high-quality instrument that delivers exceptional precision and reliability. The Kimble Chase reputation for quality is well-earned. The price is justified by its accuracy, durability, and the control it provides over liquid dispensing.
I would highly recommend it to anyone who values precision in their work. It’s an investment that will pay off in consistent results and improved gear maintenance. Take the plunge and experience the difference a Kimble/Kontes KIMAX Buret can make in your applications requiring accurate liquid dispensing.