Let’s Dive into Nalge Nunc Oak Ridge Centrifuge Tubes, Polysulfone, NALGENE 3137-0050, Pack of 10
The Nalge Nunc Oak Ridge Centrifuge Tubes, Polysulfone, NALGENE 3137-0050, Pack of 10 are more than just laboratory consumables; they are a vital tool for anyone requiring robust and reliable sample processing. Manufactured by Nalge Nunc, these tubes are designed to withstand the rigors of high-speed centrifugation and offer excellent chemical resistance. Their transparent, yellow-tinted polysulfone construction allows for easy visual inspection, while the polypropylene screw closures ensure a leak-proof seal.
My journey to these tubes began during a particularly demanding research project involving environmental toxin analysis. We needed a container that could handle both harsh chemicals and high G-forces without compromising sample integrity. The Nalge Nunc tubes seemed to be the ideal solution.
Upon receiving the package, my initial impression was that of sturdy reliability. The polysulfone material felt incredibly robust, and the screw closures provided a satisfyingly tight seal. Compared to standard polypropylene tubes I’d used in the past, these felt like they could withstand a bomb. These particular tubes stood out due to the specified RCF rating of 50,000 g, offering a substantial advantage in our protocols.
I was choosing between these Nalge Nunc tubes, Corning’s polycarbonate centrifuge tubes, and a set of stainless steel options. The Corning tubes had a lower chemical resistance, and the stainless steel was cost prohibitive. I chose these due to the balance of chemical resistance, high RCF rating, and reasonable pricing (well, reasonable relative to the stainless steel).
My first impression was excitement mixed with relief; finding the right tool for a demanding task is always a win. The Nalge Nunc Oak Ridge Centrifuge Tubes, Polysulfone, NALGENE 3137-0050, Pack of 10 felt like they could handle whatever challenges we threw at them.
Real-World Testing: Putting Nalge Nunc Oak Ridge Centrifuge Tubes, Polysulfone, NALGENE 3137-0050, Pack of 10 to the Test
First Use Experience
My first use involved centrifuging soil samples extracted with a corrosive organic solvent to separate particulate matter. The tubes were loaded into a high-speed centrifuge, balanced meticulously, and spun at 40,000 g for 30 minutes. The samples were placed in an analytical ultracentrifuge located in a climate controlled laboratory.
The tubes performed flawlessly under these extreme conditions; there was no leakage or deformation. The transparent polysulfone allowed me to visually confirm complete separation of the phases. It was evident that the sealing mechanism was performing, as there were no indications of any vapor leakage from the centrifuge.
The tubes were relatively easy to use, although the 80% fill volume requirement took a bit of adjustment. We had to ensure that our initial sample volumes were sufficient to meet this requirement to avoid any performance issues. There were no immediate issues or surprises, only the satisfaction of a successful first run.
Extended Use & Reliability
After several months of consistent use, the Nalge Nunc Oak Ridge Centrifuge Tubes, Polysulfone, NALGENE 3137-0050, Pack of 10 have proven to be incredibly reliable. They have withstood repeated cycles of centrifugation, autoclaving, and exposure to various chemicals with minimal degradation. This included exposure to a wide variety of organic solvents used for a wide variety of sample extraction procedures.
Durability has been exceptional; there are no signs of cracking, crazing, or significant discoloration. The polypropylene screw closures still maintain a tight seal, and the polysulfone bodies remain strong and resilient. The tubes did get minor surface scratches, but these were only cosmetic and did not affect the functionality of the tubes.
Maintenance is straightforward; the tubes are easily cleaned with mild detergent and water. Autoclaving is simple, as the instructions clearly state to loosen the caps slightly, preventing deformation during the process. Compared to other tubes I’ve used, the Nalge Nunc tubes have consistently outperformed, offering superior durability and chemical resistance.
Breaking Down the Features of Nalge Nunc Oak Ridge Centrifuge Tubes, Polysulfone, NALGENE 3137-0050, Pack of 10
Specifications
- Nominal Volume: 50 mL, which corresponds to standard rotor tube sizes. This is essential for ensuring proper fit and functionality within centrifuges.
- Actual Volume: 43 mL, indicating the true usable capacity of the tube. Accurate knowledge of actual volume is crucial for precise sample preparation and avoiding overflow.
- Diameter x Length: 29 x 115.3 mm, defining the physical dimensions of the tube. This is important for confirming compatibility with specific centrifuge rotors and storage solutions.
- Material: Polysulfone tube body with Polypropylene screw closures. The polysulfone material provides excellent chemical resistance and high-temperature tolerance, while the polypropylene closures ensure a leak-proof seal.
- Maximum RCF: 50,000 g, the maximum relative centrifugal force the tube can withstand. This allows for high-speed centrifugation without risking tube failure, crucial for efficient separation.
- Autoclavable: Yes, making the tubes reusable and ideal for sterile applications. Autoclavability saves cost and reduces waste by allowing repeated sterilization.
- Leakproof: The tubes are designed to be leakproof, ensuring sample integrity. Leakproof performance prevents sample loss and cross-contamination, vital for accurate results.
- Meets OSHA Standard 29 CFR Part 1910.1030: Compliant for use as protection against bloodborne pathogens. Compliance with this standard ensures safety when handling potentially infectious materials.
- Pack Size: Pack of 10, which is ideal for moderate sample processing needs. This pack size strikes a balance between providing an adequate supply while minimizing storage space.
- NNI No.: 3137-0050. This is a unique identifier for easy reordering.
These specifications are important because they directly impact the tube’s performance and suitability for specific applications. The high RCF rating allows for rapid and efficient separation, while the chemical resistance ensures the integrity of sensitive samples.
Performance & Functionality
The Nalge Nunc Oak Ridge Centrifuge Tubes, Polysulfone, NALGENE 3137-0050, Pack of 10 excels in its core function: reliably containing and protecting samples during high-speed centrifugation. The tubes maintain their integrity and leak-proof seal even at maximum RCF, ensuring no sample loss or cross-contamination.
One strength is the excellent chemical resistance, allowing for use with a wide range of solvents and reagents. One area that could be improved is the accuracy of the volume graduations printed on the tubes. The Manufacturer could also make the tubes from a recyclable material.
The tubes consistently meet and exceed expectations, providing peace of mind in demanding laboratory environments. The robust construction and reliable performance make them an invaluable tool for research and analysis.
Design & Ergonomics
The Nalge Nunc tubes are designed with functionality in mind; the transparent polysulfone allows for easy visual inspection of the sample. The polypropylene screw closures are easy to grip and tighten, ensuring a secure seal. The yellow tint of the plastic does affect the color as seen in the sample, which can be a concern when very precise spectral analysis is required.
The tubes are user-friendly, requiring no special training or expertise to operate. The tapered bottom facilitates efficient pellet formation during centrifugation.
Durability & Maintenance
The Nalge Nunc Oak Ridge Centrifuge Tubes, Polysulfone, NALGENE 3137-0050, Pack of 10 are built to last, with robust polysulfone construction that resists cracking and degradation. With proper care and maintenance, these tubes can withstand numerous cycles of centrifugation and autoclaving.
The tubes are easy to clean and maintain, requiring only mild detergent and water. Autoclaving is simple, ensuring that the tubes can be reused for sterile applications.
Accessories and Customization Options
The Nalge Nunc Oak Ridge Centrifuge Tubes, Polysulfone, NALGENE 3137-0050, Pack of 10 do not typically require additional accessories, as they are designed to be self-contained. However, various rotor adapters may be needed to ensure proper fit within different centrifuge models.
The tubes are compatible with a wide range of standard laboratory equipment, including centrifuges, autoclaves, and storage racks. The Manufacturer offers a range of compatible rotor adapters for different centrifuge models.
Pros and Cons of Nalge Nunc Oak Ridge Centrifuge Tubes, Polysulfone, NALGENE 3137-0050, Pack of 10
Pros
- High RCF Rating: Capable of withstanding up to 50,000 g, enabling rapid and efficient separation.
- Excellent Chemical Resistance: Compatible with a wide range of solvents and reagents.
- Autoclavable: Reusable for sterile applications, reducing costs and waste.
- Leakproof Design: Ensures sample integrity and prevents cross-contamination.
- Transparent Polysulfone: Allows for easy visual inspection of samples.
Cons
- Price: Relatively expensive compared to standard polypropylene tubes.
- 80% Fill Volume Requirement: May require adjustments to sample volumes.
Who Should Buy Nalge Nunc Oak Ridge Centrifuge Tubes, Polysulfone, NALGENE 3137-0050, Pack of 10?
Perfect for researchers, scientists, and laboratory technicians who require high-performance, chemically resistant centrifuge tubes. These tubes are ideal for applications involving high-speed centrifugation and corrosive chemicals.
Individuals on a very tight budget or those who primarily work with aqueous solutions may find cheaper alternatives sufficient. Those requiring extremely precise volume measurements may also prefer tubes with more accurate graduations.
Must-have accessories include compatible rotor adapters and a good laboratory cleaning solution. An autoclave is essential for those needing sterile conditions.
Conclusion on Nalge Nunc Oak Ridge Centrifuge Tubes, Polysulfone, NALGENE 3137-0050, Pack of 10
The Nalge Nunc Oak Ridge Centrifuge Tubes, Polysulfone, NALGENE 3137-0050, Pack of 10 are a reliable and durable solution for demanding laboratory applications. While the price is a factor, the superior performance and chemical resistance justify the investment for those who need it.
I would personally recommend these tubes to anyone seeking a high-quality, robust centrifuge tube that can withstand harsh conditions. The Nalge Nunc tubes are a worthwhile investment for any laboratory seeking reliable and consistent results. If you’re ready to elevate your sample processing, consider investing in the Nalge Nunc Oak Ridge Centrifuge Tubes, Polysulfone, NALGENE 3137-0050, Pack of 10 today!