Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 25 Review

Let’s Talk Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 25

For years, my work in the field has involved everything from testing water quality at remote sites to analyzing soil composition after controlled burns. Accurate liquid measurement is paramount in these scenarios, and that’s where the Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 25 comes into play. It’s a 25 mL capacity buret designed for precise dispensing of liquids, featuring a threaded closure, a straight bore PTFE stopcock, and the reliability that Kimble/Kontes is known for.

My previous buret setups were prone to leaks and inconsistent flow rates. I was looking for a durable, accurate, and reliable buret that wouldn’t let me down in demanding field conditions, so I decided to upgrade to the Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 25.

Upon unboxing, I was immediately impressed by the robust feel of the borosilicate glass. The buret felt solid and well-constructed. The threaded closure seemed significantly more secure than the standard stopcock assemblies I had used before, and the PTFE stopcock promised a leak-free operation, a critical factor when dealing with sensitive solutions in remote environments.

Compared to cheaper, generic burets I’ve used, the Kimble/Kontes offering felt like a substantial upgrade. I also considered the Wheaton E-Z Hold buret and the BrandTech Titrette, but the Kimble/Kontes model seemed like the better option because of its balance of portability, durability, and ease of maintenance – crucial for field work. The Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 25 also had a lower initial cost, which freed up resources for other tools I needed.

Initially, I was excited about the potential for more precise and reliable measurements. I hoped that the PTFE stopcock would live up to its promise of being leak-free. A buret that’s easy to clean and maintain would also be a major bonus, simplifying my field work.

Real-World Testing: Putting Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 25 to the Test

First Use Experience

I first tested the Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 25 in a mobile lab setup during a water quality assessment in a remote watershed. The temperature fluctuated significantly throughout the day, and humidity was high. I used the buret to perform titrations to determine the acidity of water samples.

The Kimble/Kontes buret performed flawlessly, even under challenging conditions. The threaded closure provided a secure seal, preventing any leaks, and the PTFE stopcock allowed for precise and repeatable dispensing of titrant. After a brief familiarization period, controlling the flow rate became intuitive, allowing me to achieve highly accurate titration results.

There was one minor issue. The initial assembly required careful wetting of the components, as recommended by Kimble/Kontes. It took a few minutes to get everything properly seated and sealed.

Extended Use & Reliability

After several months of regular use in various field conditions, the Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 25 has proven to be remarkably reliable. There’s been no noticeable degradation in performance, and the stopcock remains smooth and leak-free. Cleaning is straightforward, requiring only a mild detergent and distilled water.

The borosilicate glass construction is surprisingly durable, with no signs of cracking or chipping despite being transported in rugged conditions. It significantly outperforms the cheaper plastic burets I’ve used in the past, which often developed leaks or suffered from inaccurate graduations over time. I am happy with the Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 25.

Breaking Down the Features of Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 25

Specifications

• Capacity: 25 mL – Ideal for a wide range of titration applications.
• Graduations: 0.1 mL – Enables high precision and accurate dispensing.
• Length: 420 mm – Offers a comfortable height for dispensing without being unwieldy.
• Cap Size: 13 mm – Compatible with standard buret stands and clamps.
• Stopcock: Straight Bore PTFE – Ensures smooth, leak-free operation and chemical resistance.
• Material: KIMAX Borosilicate Glass – Provides excellent chemical resistance and durability.
• Closure: Threaded Closure Fit – Prevents accidental dislodging of the stopcock assembly.
• Dust Cap: KIM-KAP Included – Protects the buret from contamination when not in use.
• Manufacturer: Kimble/Kontes (Kimble Chase No.: 17121H 25) – A trusted name in laboratory glassware.

These specifications are vital because they directly impact the accuracy and reliability of the buret. The 0.1 mL graduations allow for precise dispensing, critical in quantitative analysis. The PTFE stopcock and borosilicate glass construction ensure chemical compatibility and longevity, while the threaded closure prevents leaks and maintains the integrity of the experiment.

Performance & Functionality

The Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 25 excels in its primary function: precise and controlled dispensing of liquids. The PTFE stopcock provides a smooth and consistent flow rate, making it easy to deliver accurate volumes.

The buret’s accuracy is excellent, consistently delivering volumes within the stated tolerance. The threaded closure adds an extra layer of security, preventing accidental detachment of the stopcock assembly, a common issue with older buret designs. However, the initial assembly does require some patience to ensure a proper seal.

Design & Ergonomics

The buret’s design is functional and straightforward. The borosilicate glass construction feels robust and durable. The 420 mm length is comfortable to handle, providing good reach without being cumbersome.

The straight bore PTFE stopcock is easy to operate, offering fine control over the flow rate. There’s a slight learning curve to mastering the stopcock, but after a few uses, it becomes second nature.

Durability & Maintenance

The borosilicate glass construction of the Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 25 ensures excellent durability. It’s resistant to thermal shock and chemical attack. Regular cleaning with mild detergent and distilled water is sufficient to maintain its performance.

The PTFE stopcock is chemically inert and requires minimal maintenance. Disassembly for cleaning is simple, and replacement parts are readily available if needed.

Accessories and Customization Options

The Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 25 comes with a KIM-KAP dust cap to prevent contamination. While not customizable in terms of capacity or material, it is compatible with standard buret stands and clamps from various brands.

The most common accessory is a buret stand, which provides stable support during titrations. While the Kimble/Kontes buret is not directly compatible with accessories like automated titrators due to its manual operation, its precision and reliability make it an excellent choice for manual titration techniques.

Pros and Cons of Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 25

Who Should Buy Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 25?

The Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 25 is perfect for:

• Chemists and lab technicians needing precise liquid dispensing for titrations.
• Field researchers who require a durable and reliable buret for water quality analysis or soil testing.
• Educators teaching titration techniques in chemistry labs.
• Anyone conducting experiments that demand accurate volumetric measurements.

This product might not be ideal for those needing high-throughput automated titrations or those on a very tight budget. For automated systems, consider an electronic titrator.

A buret stand is a must-have accessory for stable operation. A wash bottle for distilled water is also highly recommended for cleaning and rinsing.

Conclusion on Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 25

The Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 25 is a well-designed and reliable instrument for precise liquid dispensing. Its durable construction, leak-free operation, and ease of maintenance make it a valuable tool for a wide range of applications.

At $149.99, the price is justified by the quality and accuracy it provides. Cheaper alternatives may compromise on durability and precision, leading to unreliable results and frequent replacements.

I would wholeheartedly recommend the Kimble/Kontes KIMAX Buret with Threaded Closure Fit, Straight Bore PTFE Stopcock, Kimble Chase 17121H 25 to anyone needing a dependable and accurate buret for laboratory or field use. Invest in quality and precision – you won’t be disappointed.