Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5 Review

The Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5: Is It Really That Good?

The Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5 represents a pinnacle in precision liquid handling, boasting Class A certification and a serialized design for impeccable traceability. Kimble Chase, a reputable name in laboratory glassware, designed this micro buret with a three-way PTFE stopcock, plain top, and stopcock fill tube to provide superior control and accuracy in micro-volume dispensing. This instrument isn’t just a piece of lab equipment; it’s an investment in accuracy and reliability for any serious chemist or researcher.

For years, I’ve struggled with achieving consistent and precise titrations when dealing with extremely small volumes. Standard burets and pipettes often lack the necessary resolution and control, leading to inaccurate results and wasted reagents. I needed an instrument that could deliver consistent, accurate volumes in the microliter range, with minimal dead volume and a high degree of control over the dispensing process.

Upon unboxing the Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5, I was immediately impressed by the quality of the materials and the precision of the construction. The borosilicate glass felt robust yet delicate, and the PTFE stopcock moved with a smooth, precise action. The serialized marking gave an immediate impression of quality control and attention to detail, instilling confidence in its performance.

I’ve used similar micro burets from other manufacturers, including Brand and Hirschmann. However, the Kimble/Kontes model stood out due to its Class A certification and the inclusion of a three-way stopcock, which allows for easy filling and waste removal, enhancing efficiency. The others lacked either the certification or the specific stopcock design, making the Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5 a more compelling option.

My first impression was one of cautious excitement. The build quality and features were promising, but the true test would be in the lab, measuring its accuracy and ease of use. I was hopeful that this buret would finally provide the precision and control I needed for my micro-volume titrations.


Real-World Testing: Putting Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5 to the Test

First Use Experience

I tested the Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5 in my analytical chemistry lab, performing micro-titrations of various organic acids with a standardized NaOH solution. The controlled environment allowed for accurate observation of the buret’s performance.

The Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5 performed admirably across various humidity and temperature conditions within the lab. The PTFE stopcock maintained a tight seal even with fluctuations, and the glass remained clear and unaffected.

The Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5 took minimal time to acclimate to. The three-way stopcock was intuitive and easy to manipulate, providing fine control over the flow rate.

After my initial use, I noticed the exceptional accuracy and reproducibility of the titrations. The fine graduations and the smooth action of the stopcock made it easy to dispense volumes with minimal error.

Extended Use & Reliability

After several months of consistent use, the Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5 continues to deliver reliable and accurate results. There are no signs of degradation in performance.

The buret shows minimal signs of wear and tear despite being used almost daily. The glass remains clear, and the PTFE stopcock continues to function smoothly, demonstrating the quality of the materials used.

Cleaning and maintenance are straightforward. Periodic cleaning with a mild detergent and thorough rinsing keeps the buret performing optimally.

Compared to previous micro burets I’ve used, the Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5 significantly outperforms them in terms of accuracy, ease of use, and durability. It has exceeded my expectations and become an indispensable tool in my lab.

Breaking Down the Features of Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5

Specifications

  • Cap.: 5 mL – This capacity is ideal for micro-titrations, providing sufficient volume for multiple runs while remaining manageable.
  • Grads.: 0.01 mL – The fine graduations of 0.01 mL allow for precise volume measurements, crucial for accurate titrations.
  • Tolerance: ±0.01 mL – The tight tolerance ensures that the delivered volume is highly accurate, minimizing experimental error.
  • Length: 761 mm – The length provides a comfortable working distance and helps prevent parallax errors when reading the meniscus.
  • Kimble Chase No.: 17115F-5 – This number ensures correct identification and ordering.

These specifications are critical for anyone requiring precise and accurate dispensing of micro-volumes of liquids. The tight tolerance and fine graduations ensure reliable and reproducible results.

Performance & Functionality

The Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5 excels in its ability to deliver precise and repeatable volumes. The accuracy is exceptional, and the three-way stopcock provides excellent control over the dispensing process.

A significant strength is its ability to minimize dead volume, ensuring that the entire volume is dispensed accurately. One area for potential improvement is the filling tube design, which could be optimized for easier connection to various tubing sizes.

The buret meets and exceeds my expectations in terms of accuracy and ease of use. The Class A certification provides confidence in its reliability and precision.

Design & Ergonomics

The buret is constructed from high-quality borosilicate glass, providing excellent chemical resistance and durability. The slender design and comfortable length make it easy to handle and maneuver.

The three-way stopcock is intuitive and easy to operate, requiring minimal force to turn. However, proper technique is required to prevent accidental drips.

Durability & Maintenance

With proper care and maintenance, the Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5 should last for many years. The robust glass construction and durable PTFE stopcock contribute to its longevity.

Cleaning is straightforward, requiring only mild detergent and thorough rinsing. Replacement stopcocks are available from Kimble Chase should they ever be needed.

Accessories and Customization Options

The Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5 comes with a micro-wire cleaning tool and a Certificate of Graduation Accuracy. The filling tube is designed to accept standard 0.25″ I.D. flexible tubing, allowing for easy connection to various reservoirs.

There are limited customization options beyond selecting the appropriate tubing for filling. However, the buret is compatible with standard laboratory stands and clamps.

Pros and Cons of Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5

Pros

  • Exceptional Accuracy: Class A certified, ensuring reliable and precise volume dispensing.
  • Three-Way PTFE Stopcock: Provides superior control and minimizes dead volume.
  • High-Quality Materials: Constructed from durable borosilicate glass and PTFE.
  • Serialized for traceability and quality control.
  • Easy to clean and maintain.

Cons

  • High Price: The Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5 represents a significant investment compared to standard burets.
  • Fragile: The glass construction requires careful handling to avoid breakage.


Who Should Buy Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5?

The Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5 is perfect for analytical chemists, researchers, and laboratory technicians who require highly accurate and precise micro-volume dispensing. It is ideal for micro-titrations, reagent preparation, and other applications where accuracy is paramount.

Individuals performing routine titrations with larger volumes may not need this level of precision and can opt for standard burets. Also, those working in environments where glassware is frequently damaged might consider less fragile alternatives, despite the compromise in accuracy.

A necessary accessory is a sturdy laboratory stand and clamp to securely hold the buret during use. Also, having a selection of appropriately sized tubing for filling the buret is essential.

Conclusion on Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5

The Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5 is an outstanding instrument for precise micro-volume dispensing. Its accuracy, ease of use, and durable construction make it a valuable addition to any laboratory.

While the price is relatively high, the benefits of improved accuracy and reliability justify the investment for those who require this level of precision. It is a worthwhile purchase for any lab professional seeking to optimize their micro-volume dispensing processes.

I wholeheartedly recommend the Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-5 to anyone seeking a high-quality, accurate, and reliable micro buret. If precision is paramount in your work, this instrument will undoubtedly improve your results and enhance your efficiency. Consider investing in this buret if you need ultimate precision in your lab work.

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