Let’s Dive into Kimble/Kontes KIMAX Round-Bottom Boiling Flasks, Kimble Chase 25277 100 With ST 19/22 Joint
The Kimble/Kontes KIMAX Round-Bottom Boiling Flasks, Kimble Chase 25277 100 With ST 19/22 Joint are laboratory staples, designed for heating liquids uniformly. Manufactured by Kimble Chase, a trusted name in scientific glassware, these flasks are built to withstand the rigors of laboratory use. Their round bottom ensures even heat distribution. The included ST 19/22 joint provides a secure and standardized connection for various lab apparatus.
My work in developing innovative tactical gear often involves experimenting with new materials and finishes. This experimentation requires precise chemical processes, driving me to look for high-quality, reliable glassware. I needed something that could consistently withstand heating and mixing, providing reproducible results every time.
Upon unboxing, the flask feels solid and well-made. The KIMAX borosilicate glass is noticeably thicker than the generic glassware I’ve used in the past. The ST 19/22 joint is precisely ground, ensuring a tight, leak-proof fit with compatible equipment.
Compared to cheaper alternatives, the Kimble/Kontes flask stands out due to its adherence to ASTM Specification E1403, Type II, Class 3. This ensures consistent quality and performance. I had also considered Corning Pyrex flasks, but chose Kimble/Kontes due to the slightly more competitive price point without sacrificing quality.
My first impression was one of confidence. This flask feels like a professional tool, ready to handle the demanding tasks required in my R&D lab. Its robust construction and precise joint give me the assurance that my experiments will be conducted safely and accurately.
Real-World Testing: Putting Kimble/Kontes KIMAX Round-Bottom Boiling Flasks, Kimble Chase 25277 100 With ST 19/22 Joint to the Test
First Use Experience
I first tested the Kimble/Kontes KIMAX Round-Bottom Boiling Flasks, Kimble Chase 25277 100 With ST 19/22 Joint in my small R&D lab. The testing involved heating a solvent solution to extract compounds from natural fibers. I used a hot plate with a temperature controller to gradually heat the flask, observing its resistance to thermal shock.
The flask performed flawlessly even when subjected to rapid temperature changes. Its round bottom distributed the heat evenly, preventing hot spots that could potentially cause cracking or uneven boiling. The ST 19/22 joint connected securely to a condenser, creating a closed system for efficient solvent recovery.
Using the flask was straightforward. The short neck provided easy access for adding materials. The standard taper joint allowed for quick and secure attachment of other glassware. There were no unexpected issues during the initial use, and the solvent extraction proceeded smoothly.
Extended Use & Reliability
After several weeks of repeated use, the Kimble/Kontes KIMAX Round-Bottom Boiling Flasks, Kimble Chase 25277 100 With ST 19/22 Joint continues to perform reliably. I have used it for numerous extractions, distillations, and reflux reactions. The flask has shown no signs of degradation or weakening.
The KIMAX glass remains clear and resistant to chemical staining. There are no visible scratches or cracks, despite repeated heating and cooling cycles. The ST 19/22 joint still provides a tight seal, preventing leaks and ensuring consistent performance.
Cleaning the flask is easy. After each use, I rinse it with solvent followed by soap and water. Occasionally, I use a laboratory glassware cleaner to remove stubborn residue. The smooth glass surface facilitates cleaning, preventing contamination between experiments.
Compared to cheaper glassware I have used in the past, the Kimble/Kontes flask is significantly more durable and reliable. Its ability to withstand thermal shock and chemical exposure is impressive. It consistently outperforms less expensive options, justifying the higher initial cost.
Breaking Down the Features of Kimble/Kontes KIMAX Round-Bottom Boiling Flasks, Kimble Chase 25277 100 With ST 19/22 Joint
Specifications
The Kimble/Kontes KIMAX Round-Bottom Boiling Flasks, Kimble Chase 25277 100 With ST 19/22 Joint has a capacity of 100 mL. This makes it suitable for small to medium-scale reactions and extractions. Its Kimble Chase No. is 25277 100.
The flask features a single short neck. The short neck facilitates easy access to the flask’s contents. It also provides a more compact design.
It has a medium length ST 19/22 joint. This standard taper joint allows for secure and leak-proof connections to other labware, such as condensers and adapters. The joint’s medium length provides ample surface area for a strong seal.
The flask is designed according to ASTM Specification E1403, Type II, Class 3 requirements. This ensures the flask meets stringent quality standards for borosilicate glass. Meeting these standards guarantees thermal shock resistance and chemical durability.
These specifications are crucial for achieving accurate and reproducible results in chemical experiments. The flask’s heat resistance ensures it can withstand heating without cracking or distorting. The secure joint prevents leaks that could compromise the reaction. The flask’s volume capacity allows for precise control over reaction scales.
Performance & Functionality
The Kimble/Kontes KIMAX Round-Bottom Boiling Flasks, Kimble Chase 25277 100 With ST 19/22 Joint excels in its primary function: uniformly heating liquids. Its round bottom distributes heat evenly, preventing localized hot spots. This is essential for reactions that require consistent temperatures.
The flask is highly reliable. It has consistently delivered reproducible results across numerous experiments. The ST 19/22 joint ensures a secure connection, preventing leaks and maintaining a closed system.
A strength of this flask is its exceptional thermal shock resistance. It can withstand rapid temperature changes without cracking or shattering. A minor weakness, perhaps, is that the 100mL capacity might be too small for larger-scale experiments.
Overall, this flask meets and exceeds expectations. Its performance is consistent, reliable, and durable. It is a valuable tool for any laboratory setting.
Design & Ergonomics
The Kimble/Kontes KIMAX Round-Bottom Boiling Flasks, Kimble Chase 25277 100 With ST 19/22 Joint is made from high-quality borosilicate glass. The glass is clear, durable, and resistant to chemical corrosion. The flask’s weight is well-balanced.
The flask’s short neck design is practical and efficient. It allows for easy access and connection to other labware. There is no significant learning curve to using this flask.
Durability & Maintenance
The Kimble/Kontes KIMAX Round-Bottom Boiling Flasks, Kimble Chase 25277 100 With ST 19/22 Joint is built to last. With proper care, it should withstand years of use. The KIMAX glass is resistant to scratching and chemical damage.
Maintaining the flask is straightforward. It can be cleaned with standard laboratory detergents and rinsed thoroughly. Sterilization, if necessary, can be achieved through autoclaving.
Accessories and Customization Options
The Kimble/Kontes KIMAX Round-Bottom Boiling Flasks, Kimble Chase 25277 100 With ST 19/22 Joint doesn’t come with any included accessories. Its design focuses on simplicity and functionality. The ST 19/22 joint is its primary interface for connection to other equipment.
The flask is compatible with a wide range of standard laboratory accessories from various brands. This includes condensers, adapters, stoppers, and heating mantles designed for flasks with ST 19/22 joints. You can purchase stir bars of appropriate sizes, too.
Pros and Cons of Kimble/Kontes KIMAX Round-Bottom Boiling Flasks, Kimble Chase 25277 100 With ST 19/22 Joint
Pros
- Exceptional thermal shock resistance: The KIMAX glass can withstand rapid temperature changes without cracking.
- Standard ST 19/22 joint: Ensures a secure and leak-proof connection to other labware.
- Durable construction: The flask is made from high-quality borosilicate glass, resistant to chemical corrosion and scratching.
- Uniform heating: The round bottom design provides even heat distribution.
- Easy to clean: The smooth glass surface facilitates cleaning and prevents contamination.
Cons
- 100 mL capacity may be too small for some applications.
- Relatively higher price compared to generic glassware (but justified by quality).
Who Should Buy Kimble/Kontes KIMAX Round-Bottom Boiling Flasks, Kimble Chase 25277 100 With ST 19/22 Joint?
This flask is perfect for chemists, researchers, and anyone working in a laboratory setting. It is well-suited for applications like small-scale reactions, extractions, distillations, and reflux experiments. It is especially beneficial to those requiring reproducible results and high reliability.
Those performing large-scale reactions or who are extremely cost-sensitive might consider other options. For educational purposes where durability isn’t as critical, less expensive glassware might suffice. Someone needing specialized glassware with unique features may also need to look elsewhere.
Must-have accessories include a hot plate or heating mantle, a condenser (if performing reflux or distillation), and a stir bar (if mixing is required). Clamps and stands are also necessary for securing the flask and associated equipment.
Conclusion on Kimble/Kontes KIMAX Round-Bottom Boiling Flasks, Kimble Chase 25277 100 With ST 19/22 Joint
The Kimble/Kontes KIMAX Round-Bottom Boiling Flasks, Kimble Chase 25277 100 With ST 19/22 Joint is a high-quality piece of laboratory glassware. It provides excellent performance, durability, and reliability. The standard ST 19/22 joint ensures compatibility with a wide range of other lab equipment.
The price is justified by the superior quality of the KIMAX glass and the flask’s robust construction. While cheaper alternatives exist, they often lack the thermal shock resistance and chemical durability of the Kimble/Kontes flask.
I would personally recommend this flask to anyone seeking a reliable and durable boiling flask for laboratory use. If you value precision, reproducibility, and longevity, the Kimble/Kontes KIMAX Round-Bottom Boiling Flasks, Kimble Chase 25277 100 With ST 19/22 Joint is an excellent investment. Purchase yours today and experience the difference quality glassware can make in your research and development endeavors.