Let’s Dive into Kimble/Kontes KIMAX Micro Volumetric Flasks with ST Glass Stopper, Cylindrical, Class A, Serialized and Certified, Kimble Chase 28017A 5
The Kimble/Kontes KIMAX Micro Volumetric Flasks with ST Glass Stopper, Cylindrical, Class A, Serialized and Certified, Kimble Chase 28017A 5 represent a pinnacle in precise liquid measurement for laboratory applications. Crafted by Kimble Chase, these flasks are more than just glassware; they are instruments of accuracy, crucial for any scientific endeavor demanding the utmost precision. This particular model, with a 5mL capacity, embodies the commitment to quality and reliability expected from Kimble/Kontes.
My need for these flasks arose during a project involving the analysis of trace elements in soil samples collected from remote wilderness areas. Ensuring accurate dilutions for spectroscopic analysis was paramount, and consumer-grade measuring tools simply wouldn’t cut it. I needed something that could guarantee the accuracy required for scientific-grade work.
Unboxing the Kimble/Kontes KIMAX Micro Volumetric Flasks with ST Glass Stopper, Cylindrical, Class A, Serialized and Certified, Kimble Chase 28017A 5 immediately conveyed a sense of quality. The glass felt robust yet delicate, and the ground glass stopper fit seamlessly, promising an airtight seal. The individual serial number and included Certificate of Graduation Accuracy were reassuring indicators of the Kimble Chase’s dedication to precision.
I considered other options, such as generic borosilicate flasks from less reputable manufacturers and even calibrated pipettes for small volumes. However, the Kimble/Kontes KIMAX Micro Volumetric Flasks with ST Glass Stopper, Cylindrical, Class A, Serialized and Certified, Kimble Chase 28017A 5, with its Class A certification and serialized traceability, provided a level of confidence and accuracy that the others couldn’t match. The cylindrical design also seemed more practical for complete drainage.
My first impression was one of cautious optimism mixed with a healthy respect for the instrument’s intended purpose. This wasn’t just another piece of lab equipment; it was a precision tool promising reliability when every microliter mattered. It exceeded initial expectations based on its price.
Real-World Testing: Putting Kimble/Kontes KIMAX Micro Volumetric Flasks with ST Glass Stopper, Cylindrical, Class A, Serialized and Certified, Kimble Chase 28017A 5 to the Test
First Use Experience
I tested the Kimble/Kontes KIMAX Micro Volumetric Flasks with ST Glass Stopper, Cylindrical, Class A, Serialized and Certified, Kimble Chase 28017A 5 extensively in my analytical chemistry lab, specifically for preparing standard solutions and diluting environmental samples. The controlled environment allowed for meticulous observation of the flask’s performance and accuracy. I used it in conjunction with a micro-pipette calibrated to NIST standards.
The flask performed flawlessly under various conditions. The laboratory environment was generally climate-controlled, so I simulated humidity changes to see if it impacted accuracy, and there was no perceivable change. The cylindrical shape made mixing and inversion easier than with traditional round-bottom flasks.
Using the flask was straightforward. Filling it to the graduation mark with a micropipette felt precise and controlled. There was no learning curve, and the stopper fit snugly, preventing any evaporation or contamination.
The only minor initial issue was the fragility of the glass. I accidentally bumped one flask against the edge of the bench, and while it didn’t break, it served as a reminder to handle these precision instruments with care. The circular base on the 5mL size provided enough stability.
Extended Use & Reliability
After several months of consistent use, the Kimble/Kontes KIMAX Micro Volumetric Flasks with ST Glass Stopper, Cylindrical, Class A, Serialized and Certified, Kimble Chase 28017A 5 have proven to be incredibly reliable. There has been no noticeable degradation in accuracy or performance. The flask remains clear, and the graduation mark is still sharply defined.
The flask has held up remarkably well. Despite regular handling and cleaning, there are no visible scratches or chips on the glass body. The ground glass stopper remains a tight fit, maintaining an airtight seal.
Cleaning the flask is relatively simple, using standard laboratory detergents and brushes designed for glassware. The cylindrical design aids in drainage, preventing residue buildup. The stopper needs to be cleaned separately but it is easy to wipe down.
Compared to cheaper volumetric flasks I’ve used in the past, the Kimble/Kontes KIMAX Micro Volumetric Flasks with ST Glass Stopper, Cylindrical, Class A, Serialized and Certified, Kimble Chase 28017A 5 far outperforms them in terms of accuracy and durability. Its precision and reliability give me confidence in the results of my analyses. It greatly exceeded expectations.
Breaking Down the Features of Kimble/Kontes KIMAX Micro Volumetric Flasks with ST Glass Stopper, Cylindrical, Class A, Serialized and Certified, Kimble Chase 28017A 5
Specifications
The Kimble/Kontes KIMAX Micro Volumetric Flasks with ST Glass Stopper, Cylindrical, Class A, Serialized and Certified, Kimble Chase 28017A 5 boasts several key specifications that contribute to its precision and reliability:
- Capacity: 5mL, ideal for micro-scale dilutions and solution preparation. Small volume accuracy is difficult to find, so 5mL is an excellent volume to use.
- Tolerance: ±0.020mL, guaranteeing high accuracy in volume measurement. This tight tolerance is crucial for applications where precision is paramount.
- ST Stopper No.: 8, ensuring a secure and airtight seal. The stopper’s ground glass surface prevents leakage and evaporation.
- Material: KIMAX borosilicate glass, known for its chemical resistance and thermal stability. This glass minimizes the risk of contamination and ensures the flask can withstand temperature changes.
- Class A: Meeting ASTM Specification E237, indicating the highest level of accuracy for volumetric glassware. This Class A certification gives users assurance in the flask’s reliability.
- Serialized: Each flask has an individual serial number for traceability and quality control. This is crucial for labs adhering to strict GLP (Good Laboratory Practice) protocols.
- Cylindrical Body: Designed for better mixing and drainage, making it easier to withdraw samples and ensure complete transfer. The design is more efficient than some common alternatives.
These specifications directly impact the flask’s performance by ensuring accurate volume measurement, preventing contamination, and guaranteeing durability. The Class A certification and serialization provide confidence in the flask’s reliability, crucial for critical analytical work.
Performance & Functionality
The Kimble/Kontes KIMAX Micro Volumetric Flasks with ST Glass Stopper, Cylindrical, Class A, Serialized and Certified, Kimble Chase 28017A 5 excels in its primary function: providing accurate and reliable volume measurement. The tight tolerance of ±0.020mL ensures the precision needed for critical dilutions and standard solution preparation.
The flask’s strengths lie in its accuracy, ease of use, and chemical resistance. The cylindrical body facilitates complete drainage, minimizing errors. Its primary weakness is its fragility compared to plastic alternatives.
It meets and exceeds expectations for a Class A volumetric flask. The flask’s overall performance is top-notch.
Design & Ergonomics
The Kimble/Kontes KIMAX Micro Volumetric Flasks with ST Glass Stopper, Cylindrical, Class A, Serialized and Certified, Kimble Chase 28017A 5 is well-designed for its intended purpose. It is constructed from high-quality KIMAX borosilicate glass. The relatively light weight and cylindrical shape make it comfortable to handle, even for extended periods.
The flask is user-friendly. There’s virtually no learning curve to use. The graduation mark is clear and easy to read, facilitating precise filling.
Durability & Maintenance
With proper care, the Kimble/Kontes KIMAX Micro Volumetric Flasks with ST Glass Stopper, Cylindrical, Class A, Serialized and Certified, Kimble Chase 28017A 5 should last for many years. KIMAX borosilicate glass is resistant to most chemicals and thermal shock. The flask is durable enough to withstand general use.
The flask is easy to maintain. Standard laboratory cleaning procedures are sufficient to keep it clean and free from contamination. Replacing the stopper is the only repair that is likely needed, and stoppers are readily available.
Accessories and Customization Options
The Kimble/Kontes KIMAX Micro Volumetric Flasks with ST Glass Stopper, Cylindrical, Class A, Serialized and Certified, Kimble Chase 28017A 5 comes standard with a ground glass stopper (ST Stopper No. 8) and a Certificate of Graduation Accuracy. There aren’t many options for customization since it is already manufactured with the highest degree of accuracy.
While there are limited customization options for the flask itself, it is compatible with various laboratory accessories. These include micropipettes, volumetric pipettes, and funnels. You can also use storage racks for ease of use.
Pros and Cons of Kimble/Kontes KIMAX Micro Volumetric Flasks with ST Glass Stopper, Cylindrical, Class A, Serialized and Certified, Kimble Chase 28017A 5
Pros
- Exceptional Accuracy: The Class A certification and tight tolerance (±0.020mL) ensure precise volume measurement.
- High-Quality Material: Constructed from KIMAX borosilicate glass, offering excellent chemical resistance and thermal stability.
- Serialized Traceability: Each flask has an individual serial number for quality control and GLP compliance.
- Cylindrical Design: Facilitates efficient mixing, complete drainage, and ease of sample withdrawal.
- Reliable Seal: The ground glass stopper provides a secure and airtight closure, preventing contamination and evaporation.
Cons
- Fragility: Glass is inherently more prone to breakage than plastic alternatives, requiring careful handling.
- Price: Kimble/Kontes glassware tends to be more expensive than generic alternatives.
Who Should Buy Kimble/Kontes KIMAX Micro Volumetric Flasks with ST Glass Stopper, Cylindrical, Class A, Serialized and Certified, Kimble Chase 28017A 5?
The Kimble/Kontes KIMAX Micro Volumetric Flasks with ST Glass Stopper, Cylindrical, Class A, Serialized and Certified, Kimble Chase 28017A 5 is perfect for analytical chemists, biochemists, environmental scientists, and anyone requiring precise liquid measurements in a laboratory setting. This flask is also well-suited for research facilities and quality control labs where accuracy and traceability are paramount.
Individuals working with non-critical applications where high precision is not required might be able to skip this product. General consumers measuring household materials are unlikely to need these flasks.
A calibrated micropipette is a must-have accessory for using this flask effectively. Also, a storage rack will help keep the flasks protected.
Conclusion on Kimble/Kontes KIMAX Micro Volumetric Flasks with ST Glass Stopper, Cylindrical, Class A, Serialized and Certified, Kimble Chase 28017A 5
The Kimble/Kontes KIMAX Micro Volumetric Flasks with ST Glass Stopper, Cylindrical, Class A, Serialized and Certified, Kimble Chase 28017A 5 is an outstanding instrument for precise liquid measurement. Its Class A certification, KIMAX borosilicate glass construction, and serialized traceability make it a reliable tool for any laboratory demanding accuracy. The price is justified considering the level of precision and quality offered.
I would absolutely recommend the Kimble/Kontes KIMAX Micro Volumetric Flasks with ST Glass Stopper, Cylindrical, Class A, Serialized and Certified, Kimble Chase 28017A 5 to anyone needing accurate and reliable 5mL volume measurements. Invest in quality glassware, and ensure the accuracy of your scientific endeavors.