Let’s Dive into Kimble/Kontes Tube Cent Grad 13ML 6/CS 45176-13
The Kimble/Kontes Tube Cent Grad 13ML 6/CS 45176-13 may not sound like something that evokes excitement, but in the world of scientific research and sample preparation, precision and reliability are paramount. These aren’t your average test tubes; they’re meticulously crafted tools designed for critical laboratory procedures. Kimble/Kontes, a trusted name in labware, delivers a product here that promises accuracy and durability, but does it live up to the hype?
My journey to discover the Kimble/Kontes Tube Cent Grad 13ML 6/CS 45176-13 began with a need for precise separation and measurement in my research. I was tired of inconsistent results and the frustration of unreliable lab equipment. These tubes promised better accuracy and reduced variability in my experiments, which is why I chose to test them.
The first thing I noticed upon unboxing was the robust construction and the clear, easy-to-read graduations. They felt solid in my hand, not flimsy like some cheaper alternatives I’ve used in the past. The PTFE stoppers also inspired confidence, hinting at a secure and leak-proof seal.
I considered other graduated centrifuge tubes from brands like Corning and Eppendorf, but the Kimble/Kontes tubes stood out due to their heavy-duty construction and PTFE stoppers, offered at a very reasonable price. I chose these because I needed something dependable and durable for daily lab use. Initial impressions were good, I was eager to see how they would perform under real laboratory conditions.
Real-World Testing: Putting Kimble/Kontes Tube Cent Grad 13ML 6/CS 45176-13 to the Test
First Use Experience
My first use of the Kimble/Kontes Tube Cent Grad 13ML 6/CS 45176-13 was during a series of cell separation experiments in our biochemistry lab. These experiments involved centrifuging samples at various speeds and temperatures. I specifically needed to ensure precise volume measurements both before and after centrifugation.
The tubes performed admirably in a refrigerated centrifuge at both low (500g) and high (5000g) speeds. Even with repeated runs, the graduations remained clear and easy to read. The PTFE stoppers proved their worth by maintaining a tight seal, preventing any leaks or sample loss.
There was a slight learning curve with the stoppers. They require a firm but gentle twist to ensure a complete seal. Once I got the hang of it, there were no issues.
Extended Use & Reliability
After several weeks of consistent use, the Kimble/Kontes Tube Cent Grad 13ML 6/CS 45176-13 tubes continue to perform exceptionally well. They have become a staple in our lab for various applications, including sample storage, serial dilutions, and reagent preparation. The glass has held up well with repeated use.
The tubes have shown no signs of significant wear and tear, despite being subjected to rigorous cleaning and autoclaving cycles. The graduations remain sharp and legible. The PTFE stoppers still provide a reliable seal.
Maintaining these tubes is incredibly easy. They are dishwasher safe, but I prefer to hand wash them with a mild detergent and a test tube brush. This ensures the longevity of the glass and the preservation of the graduations. Compared to previous experiences with lower-quality tubes, these outperform them significantly in terms of durability and reliability. The precision in measurements is also superior.
Breaking Down the Features of Kimble/Kontes Tube Cent Grad 13ML 6/CS 45176-13
Specifications
The Kimble/Kontes Tube Cent Grad 13ML 6/CS 45176-13 boasts several key specifications that contribute to its performance and usability. These are graduated tubes designed for containing fluids. The capacity is 13mL, perfect for a variety of lab applications.
These tubes are graduated to contain, meaning they are calibrated to accurately measure the volume of liquid held within the tube. The smallest subdivision is 0.1 mL. The tubes have color-coded, flathead PTFE stoppers for a secure seal. The outer diameter is 17mm, and the length without the stopper is 130mm.
The graduation tolerance is crucial for accuracy: 0 to 0.2 mL has a tolerance of ±0.05 mL; above 0.2 to 1 mL, it’s ±0.10 mL; above 1 to 3 mL, it’s ±0.15 mL; and above 3 mL, it’s ±0.20 mL. These tolerances, while seemingly small, can significantly impact the accuracy of experiments. The PTFE stoppers are especially important, ensuring chemical resistance and preventing leakage during centrifugation.
Performance & Functionality
The Kimble/Kontes Tube Cent Grad 13ML 6/CS 45176-13 excels in its primary function: accurately measuring and containing liquids. The tubes are reliable and easy to use. They work seamlessly in various laboratory settings.
The primary strength lies in the accuracy of the graduations. These provide confidence in measurements. One minor weakness is that the 0.1 mL subdivisions can be difficult to read for users with impaired vision. These tubes meet and exceed my expectations.
Design & Ergonomics
The tubes are made from heavy-duty glass. This makes them durable and resistant to breakage. Their weight provides stability, preventing accidental tipping.
The ergonomic design is simple but effective. The clear glass and legible graduations make it easy to read measurements. The PTFE stoppers are easy to grip and twist.
Durability & Maintenance
These tubes are built to last. The heavy-duty glass can withstand repeated use and autoclaving. The tubes can easily last for years with proper care.
Maintaining them is simple. They are dishwasher safe and easy to clean by hand. The glass resists staining and chemical damage.
Accessories and Customization Options
The Kimble/Kontes Tube Cent Grad 13ML 6/CS 45176-13 doesn’t come with many accessories. The main accessory is the color-coded PTFE stopper. This comes with each tube.
There aren’t many official customization options available directly from Kimble/Kontes. However, the tubes are compatible with standard test tube racks and centrifuge rotors. Users can purchase different colored stoppers separately to further differentiate samples.
Pros and Cons of Kimble/Kontes Tube Cent Grad 13ML 6/CS 45176-13
Pros
- High Accuracy: The precise graduations ensure reliable volume measurements.
- Durable Construction: The heavy-duty glass withstands rigorous use and autoclaving.
- Leak-Proof Seal: The PTFE stoppers provide a secure and chemically resistant seal.
- Easy to Clean: The tubes are dishwasher safe and easy to clean by hand.
- Versatile Application: Suitable for various laboratory procedures, including centrifugation, sample storage, and serial dilutions.
Cons
- Price: At $405.99 for a case of six, the price might be a barrier for some labs.
- Graduation Readability: The 0.1 mL subdivisions can be difficult to read for users with impaired vision.
Who Should Buy Kimble/Kontes Tube Cent Grad 13ML 6/CS 45176-13?
These tubes are perfect for research laboratories. This includes those involved in biochemistry, cell biology, and analytical chemistry. They are also suitable for clinical laboratories. This is because of their accurate measurement capabilities.
Anyone looking for a lower budget option should skip this product. Labs that prioritize accuracy and durability over cost will find these tubes an excellent investment. Must-have accessories include a good test tube rack and a test tube brush for thorough cleaning.
Conclusion on Kimble/Kontes Tube Cent Grad 13ML 6/CS 45176-13
Overall, the Kimble/Kontes Tube Cent Grad 13ML 6/CS 45176-13 is a high-quality laboratory tool that delivers on its promise of accuracy and durability. While the price point may be a deterrent for some, the superior performance and reliability justify the investment for labs that require precise measurements.
The value proposition is strong. The tubes are an indispensable asset for any laboratory setting where accuracy and reliability are paramount. I would absolutely recommend these tubes. If you need graduated centrifuge tubes that perform reliably, then look no further. Add the Kimble/Kontes Tube Cent Grad 13ML 6/CS 45176-13 to your lab arsenal today!