Does the Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-10 Live Up to Its Name?
The Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-10 represents a pinnacle in precision liquid handling. Kimble/Kontes, a name synonymous with quality laboratory glassware, offers this micro buret for applications demanding the utmost accuracy. Its Class A certification, individual serialization, and three-way PTFE stopcock promise reliability and control, but does it deliver on that promise in the demanding world of analytical chemistry?
As an experienced outdoor and tactical gear specialist, my foray into reviewing lab equipment might seem unusual. However, the principles of precision, durability, and reliability are universal, whether I’m evaluating a scope or a burette. My need for this level of precision arose while assisting a friend with environmental toxin detection, which required very precise titration.
Upon unboxing, the buret immediately impressed me with its clarity and solid construction. The KIMAX borosilicate glass felt substantial, and the PTFE stopcock moved with a smooth, deliberate action. It appeared far superior to the plastic graduated cylinders I was accustomed to using.
Compared to simpler, non-serialized burets and automatic pipettes, the Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-10 stood out due to its certified accuracy. I chose this model because, in certain analytical procedures, even a slight error in measurement could invalidate results. My initial impression was one of cautious optimism; the build quality was promising, but the true test would be in its performance.
Real-World Testing: Putting Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-10 to the Test
First Use Experience
My first test involved titrating a weak acid solution to determine its concentration. I performed the titration in a controlled laboratory environment, ensuring a stable temperature and minimal vibrations. Using the Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-10, the liquid flowed smoothly and precisely, with no leaks or erratic drips from the stopcock.
The three-way stopcock proved incredibly useful for both filling and dispensing. There was a short learning curve to using the stopcock’s three positions, but it quickly became intuitive. After the first use, I noticed a slight residue buildup near the tip, which was easily cleaned with the provided micro-wire.
Extended Use & Reliability
After several weeks of regular use, the Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-10 continues to perform reliably. The glass has shown no signs of clouding or etching, even after repeated exposure to various chemicals. Maintenance involves rinsing the buret with distilled water after each use and occasionally cleaning the tip with the micro-wire, a simple process.
Compared to my previous experience with cheaper glass burets, the Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-10 offers significantly greater accuracy and consistency. It is a joy to use a burette with such accurate delivery, even for a crude outdoorsman like myself!
Breaking Down the Features of Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-10
Specifications
The Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-10 boasts several key specifications. Its capacity is 10 mL, with graduations of 0.02 mL, allowing for very fine measurements. The tolerance is ±0.02 mL, meeting Class A standards for accuracy.
The length is 781 mm, providing a comfortable reach during titrations. Its most important features is the serialized and certified accuracy, meaning each buret is individually calibrated against NIST-traceable equipment. This specification guarantees its precision, crucial for quantitative analysis.
Performance & Functionality
The Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-10 performs admirably in its intended role. The fine graduations and smooth stopcock action allow for precise control over the dispensing rate, essential for accurate titrations. Its only weakness is its price; the precision comes at a significant cost.
It exceeds expectations in terms of accuracy and reliability. The three-way stopcock design allows for efficient filling and waste removal without needing to remove the burette from its stand.
Design & Ergonomics
The KIMAX borosilicate glass construction provides excellent clarity and chemical resistance. The buret feels well-balanced and comfortable to hold, although its length can be cumbersome in tight spaces. The PTFE stopcock is smooth and easy to operate with one hand.
There is minimal learning curve, especially for those familiar with basic lab techniques. The plain top and stopcock fill tube are compatible with standard laboratory tubing, simplifying the setup process.
Durability & Maintenance
The borosilicate glass is robust and resistant to thermal shock and chemical attack. With proper care and cleaning, the buret should last for many years. The PTFE stopcock is also highly durable and resistant to chemicals.
Maintenance involves rinsing with distilled water and occasionally cleaning the tip. The included micro-wire cleaning tool is invaluable for removing any stubborn residue buildup, ensuring accurate delivery.
Accessories and Customization Options
The Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-10 comes with a Certificate of Graduation Accuracy, verifying its compliance with Class A standards. It also includes a micro-wire cleaning tool for maintaining the tip’s cleanliness. There are not many aftermarket accessories; it is a highly specialized tool.
The 0.25″ I.D. flexible tubing compatibility allows for easy connection to various solution reservoirs. Users can customize by choosing different support stands or lighting options to optimize visibility during titrations.
Pros and Cons of Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-10
Pros
- Exceptional Accuracy: Class A certification and individual serialization guarantee precise measurements.
- Durable Construction: KIMAX borosilicate glass and PTFE stopcock offer excellent chemical resistance and longevity.
- Smooth Operation: The three-way PTFE stopcock allows for precise flow control and easy filling/draining.
- Easy Maintenance: Simple cleaning with distilled water and the included micro-wire tool.
- Versatile Compatibility: Plain top and stopcock fill tube accommodate standard laboratory tubing.
Cons
- High Price: The Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-10 is significantly more expensive than non-serialized burets.
- Fragility: Despite the durable glass, it is still susceptible to breakage if mishandled.
Who Should Buy Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-10?
Pros
- Exceptional Accuracy: Class A certification and individual serialization guarantee precise measurements.
- Durable Construction: KIMAX borosilicate glass and PTFE stopcock offer excellent chemical resistance and longevity.
- Smooth Operation: The three-way PTFE stopcock allows for precise flow control and easy filling/draining.
- Easy Maintenance: Simple cleaning with distilled water and the included micro-wire tool.
- Versatile Compatibility: Plain top and stopcock fill tube accommodate standard laboratory tubing.
Cons
- High Price: The Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-10 is significantly more expensive than non-serialized burets.
- Fragility: Despite the durable glass, it is still susceptible to breakage if mishandled.
The Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-10 is perfect for analytical chemists, research laboratories, and quality control professionals. It is also well suited for environmental scientists who require high-precision titration for environmental monitoring. Those who demand the utmost accuracy in their quantitative analyses will find this burette invaluable.
Those on a tight budget or who do not require extremely precise measurements should consider simpler, less expensive burets. Novice users might find the learning curve slightly steeper than with simpler graduated cylinders or pipettes.
A well-lit workspace and a stable support stand are must-have accessories to maximize the buret’s accuracy and usability. A magnetic stirrer can also be helpful for performing titrations efficiently.
Conclusion on Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-10
In summary, the Kimble/Kontes KIMAX Micro Burets, Serialized and Certified, Class A, Three-Way PTFE Stopcock, Kimble Chase 17115F-10 is a top-tier instrument that delivers exceptional accuracy and reliability. The price is a significant investment, but the precision and durability justify the cost for those who demand the best.
I would personally recommend it to any professional or serious hobbyist who requires accurate titrations. This burette stands out as a worthy tool.