Let’s Dive into Kimble/Kontes KIMAX Volumetric Flasks with ST Glass Stopper, Class B, Kimble Chase 28015 2000
The Kimble/Kontes KIMAX Volumetric Flask with ST Glass Stopper, Class B, Kimble Chase 28015 2000 is a staple in any lab dealing with precise liquid measurements. Manufactured by Kimble Chase, this 2000mL flask promises accuracy and reliability for preparing solutions and dilutions. Its Class B designation, along with the standard taper (ST) ground glass stopper and clearly marked graduation ring, make it a seemingly simple yet critical tool.
My work in environmental testing requires precise dilutions for soil and water sample analysis. Improper dilutions lead to inaccurate results, and in my field, that has huge consequences. I needed a reliable and accurate flask to streamline my solution preparation process.
The Kimble/Kontes flask arrived well-packaged, nestled securely in foam. The thick glass of the flask and the ground glass stopper felt substantial and well-made. The graduation mark was crisp and easy to read.
Compared to cheaper, unmarked plastic flasks, or even some of my older, less precise glassware, the Kimble/Kontes flask immediately stood out. The borosilicate glass promised better chemical resistance. I initially chose this flask over lower-priced options because I trusted the Kimble Chase brand and needed the 2000 mL capacity.
I was excited to put it to use and ensure my calibration curves were spot-on. Any disappointment that this flask would cause would be catastrophic. I couldn’t wait to test this piece of laboratory equipment.
Real-World Testing: Putting Kimble/Kontes KIMAX Volumetric Flasks with ST Glass Stopper, Class B, Kimble Chase 28015 2000 to the Test
First Use Experience
I first tested the Kimble/Kontes KIMAX Volumetric Flask in my lab, preparing a standard solution of nitrate for water quality analysis. This required diluting a stock solution to a precise concentration. The flask’s wide mouth made it easy to add the stock solution and diluent without spills.
The Kimble/Kontes flask performed admirably under standard lab conditions. I mixed vigorously and repeatedly with no issues regarding leakage. The glass was unaffected when exposed to various solvents, even at elevated room temperatures.
Filling to the graduation mark was straightforward, the meniscus clear and easily observed. It took some adjustment and careful eye-level viewing to get the most accurate measurement. No issues were encountered in initial use.
Extended Use & Reliability
After several weeks of repeated use, the Kimble/Kontes KIMAX Volumetric Flask maintained its integrity and accuracy. I’ve used it for a variety of solutions, from acidic to basic, with no signs of degradation or etching of the glass. The glass has held up to a wide array of uses and applications.
There’s no visible wear and tear on the flask itself, and the stopper still provides a tight seal. Cleaning is simple with soap and water, and it can even be autoclaved for sterilization. Regular washing and proper storage are key to keeping any glassware functional.
Compared to cheaper volumetric flasks I’ve used in the past, the Kimble/Kontes flask provides a far more reliable and consistent performance. It is also more resistant to breakage. This is a critical benefit when working with expensive reagents.
Breaking Down the Features of Kimble/Kontes KIMAX Volumetric Flasks with ST Glass Stopper, Class B, Kimble Chase 28015 2000
Specifications
The Kimble/Kontes KIMAX Volumetric Flask boasts several key specifications. Its capacity is 2000 mL. The tolerance is ±1.00 mL, representing its measurement accuracy. The ST Stop. No. is 27, indicating the standard taper size of the ground glass stopper. Finally, the Kimble Chase No. is 28015 2000, its unique identifier.
These specifications are important because they guarantee the flask’s performance and reliability. The capacity dictates the volume of solutions it can prepare. The tolerance determines the accuracy of the dilutions. The ST Stop No. ensures a proper seal, minimizing evaporation or contamination.
Performance & Functionality
The Kimble/Kontes KIMAX Volumetric Flask performs its primary function of precise volume measurement exceptionally well. The wide mouth facilitates easy filling, mixing, and pouring. The Class B tolerance provides good accuracy for routine lab work.
The flask’s strength lies in its reliability and ease of use. The main drawback is its Class B designation, which isn’t ideal for the most demanding analytical procedures. For most applications, however, the trade off between Class A accuracy and Class B price is worth it. This is also due to the fact that users can achieve Class A accuracy through rigorous protocol.
The flask meets and exceeds my expectations for routine solution preparation. However, it may not be sufficient for trace element analysis where extreme accuracy is needed. In such cases, Class A flasks or gravimetric dilutions are preferable.
Design & Ergonomics
The Kimble/Kontes KIMAX Volumetric Flask is made from high-quality borosilicate glass. This makes it resistant to chemical attack and thermal shock. The flask feels solid and well-balanced in hand, and the ground glass stopper fits snugly.
The flask is user-friendly, though achieving precise measurements requires practice and a level eye. The graduation mark is clear and easy to see, but parallax errors can still occur if not viewed properly. A strong light in the work environment is helpful.
Durability & Maintenance
The Kimble/Kontes KIMAX Volumetric Flask is built to last. With proper care, it should provide years of reliable service. Borosilicate glass is relatively robust, but it can still break if dropped or subjected to sudden temperature changes.
Cleaning is straightforward, using soap and water or laboratory detergents. The flask can be autoclaved for sterilization. Proper storage and handling will extend its lifespan.
Accessories and Customization Options
The flask comes with a standard taper ground glass stopper. There are no additional accessories included. The flask itself isn’t really customizable.
The most common accessory is a stopper clip to secure the stopper in place. These clips reduce the chance of the stopper coming loose during mixing or storage. There are also aftermarket PTFE (Teflon) stoppers available for improved chemical resistance.
Pros and Cons of Kimble/Kontes KIMAX Volumetric Flasks with ST Glass Stopper, Class B, Kimble Chase 28015 2000
Pros
- Accurate volume measurement for routine lab procedures.
- Durable borosilicate glass construction resists chemical attack and thermal shock.
- Tight-fitting ground glass stopper prevents evaporation and contamination.
- Easy to clean and sterilize, extending its lifespan.
- Wide mouth simplifies filling, mixing, and pouring.
Cons
- Class B tolerance (±1.00 mL) not suitable for ultra-precise analytical work.
- Relatively expensive compared to plastic alternatives.
- Glass construction is susceptible to breakage if mishandled.
Who Should Buy Kimble/Kontes KIMAX Volumetric Flasks with ST Glass Stopper, Class B, Kimble Chase 28015 2000?
This flask is perfect for environmental scientists, chemists, and lab technicians who require accurate solution preparation for a variety of applications. This is also true for pharmaceutical scientists and compounders. It’s a reliable tool for general lab use. It is especially useful where a high throughput of solutions is required.
Those needing the highest accuracy (e.g., for certified reference materials or trace element analysis) should consider Class A flasks. Novice lab technicians should familiarize themselves with proper volumetric techniques before use. Laboratories needing high throughput where speed and efficiency is paramount will also be able to benefit from this tool.
A stopper clip would be a must-have accessory to prevent accidental stopper loss or contamination. Having multiple flasks available may also be necessary. A lab wash bottle with distilled water is also key.
Conclusion on Kimble/Kontes KIMAX Volumetric Flasks with ST Glass Stopper, Class B, Kimble Chase 28015 2000
The Kimble/Kontes KIMAX Volumetric Flask with ST Glass Stopper, Class B, Kimble Chase 28015 2000 is a reliable and durable tool for routine lab solution preparation. Its accuracy is acceptable for all but the most demanding analytical procedures. The flask’s construction ensures longevity.
The $225.99 price tag may seem steep. However, its accuracy, durability, and longevity justify the investment. It is money well spent for professionals who depend on accurate solution preparation. The costs of inaccuracy can often exceed the costs of simply buying quality.
I would recommend this flask to anyone seeking a reliable and long-lasting volumetric flask for their lab. Invest in quality, ensure accuracy, and streamline your solution preparation process. Add the Kimble/Kontes KIMAX Volumetric Flask to your arsenal today!