The Kimble/Kontes KIMAX Volumetric Flasks with ST PTFE Stopper, RAY-SORB, Class A, Kimble Chase 28016 25: First Use to Final Thoughts
The Kimble/Kontes KIMAX Volumetric Flasks with ST PTFE Stopper, RAY-SORB, Class A, Kimble Chase 28016 25 is a specialized piece of laboratory equipment from Kimble Chase, designed for precise volumetric measurements and safe handling of sensitive solutions. These aren’t your everyday camping flasks; they are critical for accurate scientific work. This particular model, with a 25 mL capacity, Class A certification, and RAY-SORB glass, is aimed at professionals requiring the highest accuracy and protection from light degradation.
My journey with volumetric flasks started in a rather unexpected place – a remote field research project analyzing water samples for contamination. The need for precise measurements in the field, under less-than-ideal conditions, highlighted the importance of high-quality labware. I needed a flask that could withstand the rigors of transport, protect light-sensitive samples, and maintain its accuracy even after repeated use.
The Kimble/Kontes KIMAX Volumetric Flasks with ST PTFE Stopper, RAY-SORB, Class A, Kimble Chase 28016 25 arrived well-packaged, immediately instilling confidence in its build quality. The amber-colored RAY-SORB glass was noticeably thicker than standard clear flasks I had used previously. The PTFE stopper felt snug and secure, promising a tight seal to prevent any contamination or leakage.
Compared to cheaper, generic volumetric flasks, the Kimble/Kontes stood out due to its Class A certification. That certification ensures it meets stringent accuracy standards. I chose this particular flask over others because of its combination of high accuracy, light protection, and durable construction.
My first impression was a mix of excitement and relief. Excited because the flask felt like a significant upgrade in quality and precision. Relief knowing that the RAY-SORB glass would minimize light-induced degradation of my samples.
Real-World Testing: Putting Kimble/Kontes KIMAX Volumetric Flasks with ST PTFE Stopper, RAY-SORB, Class A, Kimble Chase 28016 25 to the Test
First Use Experience
The first field test involved preparing standard solutions for calibrating portable water quality sensors during a week-long survey of stream health in the Appalachian Mountains. I used the Kimble/Kontes KIMAX Volumetric Flasks with ST PTFE Stopper, RAY-SORB, Class A, Kimble Chase 28016 25 to accurately dilute concentrated stock solutions with deionized water sourced from a portable purification system. The PTFE stopper proved invaluable, preventing any accidental spills or evaporation during transport between sampling sites.
The flask performed admirably, even when exposed to fluctuating temperatures and occasional jostling in my backpack. Filling the flask to the calibration mark was straightforward, thanks to the clear graduation line etched into the glass. No issues or surprises arose during the initial use, reinforcing my initial positive impression.
Extended Use & Reliability
After several months of use, including multiple field research projects and various laboratory experiments, the Kimble/Kontes KIMAX Volumetric Flasks with ST PTFE Stopper, RAY-SORB, Class A, Kimble Chase 28016 25 has held up exceptionally well. There are no noticeable signs of wear or degradation of the glass or the PTFE stopper. The graduation mark remains clear and accurate.
Cleaning is simple; a standard laboratory detergent and brush are sufficient to remove any residue. Periodic autoclaving ensures complete sterilization without any adverse effects on the flask’s integrity. Compared to previous experiences with lower-quality flasks that often cracked or developed inaccuracies over time, the Kimble/Kontes has proven to be a reliable and durable investment.
Breaking Down the Features of Kimble/Kontes KIMAX Volumetric Flasks with ST PTFE Stopper, RAY-SORB, Class A, Kimble Chase 28016 25
Specifications
The Kimble/Kontes KIMAX Volumetric Flasks with ST PTFE Stopper, RAY-SORB, Class A, Kimble Chase 28016 25 boasts several key specifications that contribute to its performance and reliability. It has a Capacitance of 25 mL, making it ideal for preparing small-volume solutions. The Tolerance is ±0.03 mL, a testament to its Class A certification and high accuracy.
The ST Stop.No. is 9, indicating the size of the standard taper stopper, ensuring a secure and leak-proof seal. It features a Black Handle Color. The Kimble ChaseNo. is 28016 25, uniquely identifying this specific model.
These specifications are critical for applications requiring precise measurements, such as quantitative chemical analysis, pharmaceutical research, and environmental monitoring. The tight tolerance ensures minimal error in solution preparation, while the PTFE stopper protects against contamination and evaporation. The RAY-SORB glass is essential for handling light-sensitive compounds.
Performance & Functionality
The Kimble/Kontes KIMAX Volumetric Flasks with ST PTFE Stopper, RAY-SORB, Class A, Kimble Chase 28016 25 excels at its primary function: delivering accurate volumetric measurements. The narrow neck and precisely etched graduation mark allow for easy and accurate filling to the desired volume. It provides smooth necking and filling of acids and alkalis.
Its strengths lie in its accuracy, durability, and the protective properties of the RAY-SORB glass and PTFE stopper. One area for potential improvement might be the addition of a wider base for increased stability, especially when used on uneven surfaces in the field. Overall, the flask meets and exceeds expectations for a Class A volumetric flask.
Design & Ergonomics
The Kimble/Kontes KIMAX Volumetric Flasks with ST PTFE Stopper, RAY-SORB, Class A, Kimble Chase 28016 25 is constructed from high-quality KIMAX borosilicate glass, known for its chemical resistance and thermal stability. The flask feels solid and well-balanced in hand, providing confidence during use. The PTFE stopper is easy to grip and insert/remove.
There is a slight learning curve associated with any precise laboratory glassware. Properly reading the meniscus and ensuring accurate filling takes practice. The flask’s design is straightforward and functional.
Durability & Maintenance
The KIMAX glass construction ensures the Kimble/Kontes KIMAX Volumetric Flasks with ST PTFE Stopper, RAY-SORB, Class A, Kimble Chase 28016 25 will last for years with proper care. The glass is resistant to cracking and shattering under normal laboratory conditions. It is also resistant to chemical attack from most common solvents and reagents.
Maintenance is simple, requiring only routine cleaning with mild detergent and water. The PTFE stopper can be easily removed for cleaning. Periodic autoclaving or sterilization is recommended for applications requiring sterile conditions.
Accessories and Customization Options
The Kimble/Kontes KIMAX Volumetric Flasks with ST PTFE Stopper, RAY-SORB, Class A, Kimble Chase 28016 25 comes standard with the PTFE stopper. There are no specific customization options for this particular model. However, it is compatible with various sizes of stir bars for mixing solutions within the flask.
The flask is also compatible with standard laboratory racks and storage containers designed for volumetric flasks. While not a direct accessory, using appropriate labeling tape and markers is essential for identifying the contents of the flask.
Pros and Cons of Kimble/Kontes KIMAX Volumetric Flasks with ST PTFE Stopper, RAY-SORB, Class A, Kimble Chase 28016 25
Pros
- Exceptional accuracy due to its Class A certification, ensuring precise volumetric measurements.
- RAY-SORB glass protects light-sensitive samples, preventing degradation and ensuring accurate results.
- The PTFE stopper provides a secure and leak-proof seal, preventing contamination and evaporation.
- Durable KIMAX glass construction ensures long-lasting performance and resistance to chemical attack.
- Easy to clean and maintain, making it suitable for routine laboratory use.
Cons
- Relatively high price point compared to generic volumetric flasks.
- The narrow base could be more stable, especially on uneven surfaces.
Who Should Buy Kimble/Kontes KIMAX Volumetric Flasks with ST PTFE Stopper, RAY-SORB, Class A, Kimble Chase 28016 25?
The Kimble/Kontes KIMAX Volumetric Flasks with ST PTFE Stopper, RAY-SORB, Class A, Kimble Chase 28016 25 is perfect for laboratory researchers, chemists, and technicians. It is also great for environmental scientists, and anyone requiring precise volumetric measurements of light-sensitive solutions. It’s ideal for pharmaceutical applications and quantitative chemical analysis.
Those who should skip this product include individuals on a tight budget, those who only need rough estimates, and those who don’t work with light sensitive materials. They may also not need this if they do not require Class A accuracy.
A must-have accessory is a fine-tipped pipette for precise filling to the calibration mark. Also consider appropriate safety glasses and gloves when handling chemicals.
Conclusion on Kimble/Kontes KIMAX Volumetric Flasks with ST PTFE Stopper, RAY-SORB, Class A, Kimble Chase 28016 25
In summary, the Kimble/Kontes KIMAX Volumetric Flasks with ST PTFE Stopper, RAY-SORB, Class A, Kimble Chase 28016 25 is a top-tier piece of laboratory equipment. It delivers exceptional accuracy, durability, and protection for light-sensitive samples.
The price is justified by its Class A certification and long-lasting performance. I would personally recommend this flask to anyone needing precise volumetric measurements and protection from light degradation.
If accuracy and reliability are paramount, the Kimble/Kontes KIMAX Volumetric Flasks with ST PTFE Stopper, RAY-SORB, Class A, Kimble Chase 28016 25 is a worthy investment. Upgrade your labware today and experience the difference!