Let’s Dive into Kimble/Kontes KIMAX Volumetric Flasks with ST Glass Stopper, Mixing Bulb Style, Class A, Kimble Chase 28019 250
The Kimble/Kontes KIMAX Volumetric Flasks with ST Glass Stopper, Mixing Bulb Style, Class A, Kimble Chase 28019 250 might not be the typical “outdoor” gear I usually review, but precision and accuracy are paramount in many outdoor applications, especially when it comes to preparing solutions for water testing, soil analysis, or even specialized cleaning agents for sensitive equipment. These flasks, manufactured by Kimble Chase, are designed for accuracy and reliability in laboratory settings, and I’ve found them indispensable in ensuring consistent results in my own field research and gear maintenance. The flask features a mixing bulb in the neck and a ground glass stopper, guaranteeing a secure and precise seal.
My need for this volumetric flask stemmed from my involvement in a long-term water quality monitoring project. This project required me to prepare standardized solutions in the field. Accuracy was absolutely critical to the integrity of the data, so I sought a reliable and precise container for preparing these solutions.
The Kimble/Kontes KIMAX flask arrived well-packaged, a necessity given its fragile glass construction. The design is straightforward but purposeful, with the mixing bulb and ground glass stopper immediately conveying a sense of quality and precision. It feels solid and well-made, a characteristic I value in all my gear, whether it’s a tactical knife or a laboratory flask.
I considered cheaper plastic alternatives and even some lower-rated glass flasks. However, the Kimble/Kontes KIMAX’s Class A certification and the inclusion of a ground glass stopper made it the clear winner. The precision and reliability promised by these features were worth the investment. Initially, I was excited about the prospect of having a lab-grade tool to ensure the accuracy of my field research.
Real-World Testing: Putting Kimble/Kontes KIMAX Volumetric Flasks with ST Glass Stopper, Mixing Bulb Style, Class A, Kimble Chase 28019 250 to the Test
First Use Experience
My initial testing took place at my home lab, preparing a series of calibration standards for my water testing equipment. I used the Kimble/Kontes KIMAX volumetric flask to dilute a stock solution to a precise concentration. The flask performed flawlessly, with the graduation ring on the neck being clear and easy to read.
During the testing, the ambient temperature fluctuated slightly, and I was initially concerned about the impact on the volume. However, the glass’s minimal expansion and contraction kept the volume consistent. The glass stopper provided a leak-proof seal during mixing. There were no unexpected issues.
Extended Use & Reliability
Over the past several months, I’ve used the Kimble/Kontes KIMAX volumetric flask regularly, both in the lab and in the field. It has consistently delivered accurate and repeatable results. There are no signs of significant wear and tear on the glass itself. The graduation ring remains clear and legible.
Cleaning the flask after use is easy, thanks to the smooth glass surface and wide mouth. A simple rinse with distilled water is usually sufficient. Compared to the graduated cylinders I used previously, the Kimble/Kontes KIMAX flask offers a significant improvement in accuracy and ease of use.
Breaking Down the Features of Kimble/Kontes KIMAX Volumetric Flasks with ST Glass Stopper, Mixing Bulb Style, Class A, Kimble Chase 28019 250
Specifications
The Kimble/Kontes KIMAX Volumetric Flasks with ST Glass Stopper, Mixing Bulb Style, Class A, Kimble Chase 28019 250 boasts several key specifications that contribute to its performance and reliability:
- Capacity: 250 mL – Provides an ideal volume for preparing a variety of standard solutions.
- Tolerance: ±0.12 mL – This extremely tight tolerance guarantees accurate measurements.
- ST Stopper No.: 16 – Ensures a secure, leak-proof seal, preventing evaporation and contamination.
- Material: KIMAX Borosilicate Glass – Known for its chemical resistance and thermal stability.
- Class A: Meets or exceeds ASTM E288 standards for Class A volumetric glassware, providing the highest level of accuracy.
- Mixing Bulb: A bulb in the neck aids in efficient dissolving and mixing of contents.
These specifications are not mere numbers; they directly translate to the flask’s performance. The tight tolerance ensures accurate solution preparation, critical for reliable results. The borosilicate glass guarantees that the flask won’t react with the chemicals being measured.
Performance & Functionality
The Kimble/Kontes KIMAX volumetric flask excels in its primary function: delivering precise and accurate volume measurements. The flask is easy to use, and the mixing bulb is very helpful. The Class A certification guarantees that it meets the stringent accuracy requirements for scientific applications.
The flask’s main strength is its accuracy and reliability. However, being made of glass, it is susceptible to breakage if mishandled. It meets and exceeds my expectations.
Design & Ergonomics
The design is straightforward and functional. The KIMAX borosilicate glass is durable and resistant to chemical corrosion. The flask feels well-balanced in hand, and the ground glass stopper fits snugly, creating a secure seal.
There is no learning curve. It is a simple design that facilitates easy and accurate measurements.
Durability & Maintenance
While glass is inherently fragile, the KIMAX borosilicate glass is relatively durable and resistant to thermal shock. With proper care, the flask should last for many years. Cleaning is simple.
Regular rinsing with distilled water is typically sufficient.
Accessories and Customization Options
The Kimble/Kontes KIMAX Volumetric Flask is a relatively simple piece of lab equipment and therefore doesn’t have many accessories. The flask comes with a corresponding ST ground glass stopper to ensure proper sealing. There are no real customization options.
One could purchase different stoppers or potentially label the flask for specific uses, but these are minor additions.
Pros and Cons of Kimble/Kontes KIMAX Volumetric Flasks with ST Glass Stopper, Mixing Bulb Style, Class A, Kimble Chase 28019 250
Pros
- Exceptional Accuracy: Class A certification ensures precise volume measurements for critical applications.
- Durable Material: KIMAX borosilicate glass is resistant to chemical corrosion and thermal shock.
- Secure Seal: The ST ground glass stopper provides a leak-proof seal.
- Mixing Bulb Design: Aids in efficient dissolving and mixing of contents.
- Easy to Clean: Smooth glass surface simplifies cleaning and prevents contamination.
Cons
- Fragile: Glass construction is susceptible to breakage if mishandled.
- Price: More expensive than plastic alternatives.
Who Should Buy Kimble/Kontes KIMAX Volumetric Flasks with ST Glass Stopper, Mixing Bulb Style, Class A, Kimble Chase 28019 250?
The Kimble/Kontes KIMAX Volumetric Flasks with ST Glass Stopper, Mixing Bulb Style, Class A, Kimble Chase 28019 250 is perfect for anyone needing accurate liquid measurements. This includes scientists, researchers, brewers, or anyone involved in chemical processes. The flask is ideal for those who prioritize precision.
This product might not be necessary for those who only require approximate measurements or who work in environments where glass breakage is a significant risk. A good set of cleaning brushes and potentially a storage case would be beneficial accessories.
Conclusion on Kimble/Kontes KIMAX Volumetric Flasks with ST Glass Stopper, Mixing Bulb Style, Class A, Kimble Chase 28019 250
The Kimble/Kontes KIMAX Volumetric Flasks with ST Glass Stopper, Mixing Bulb Style, Class A, Kimble Chase 28019 250 is a high-quality tool designed for accurate and reliable volume measurements. While the price may seem high compared to plastic alternatives, the accuracy and durability of the KIMAX glass and the secure seal provided by the ground glass stopper make it a worthwhile investment for anyone who needs precise measurements. The Class A certification assures the user that they are getting a truly accurate instrument.
I would definitely recommend this flask to anyone who values accuracy and reliability in their work. It’s a worthwhile investment that will provide years of dependable service. If precise liquid measurement is a must, then grab one of these today.
