Let’s Dive into Nalge Nunc Oak Ridge Centrifuge Tubes, Polycarbonate, NALGENE 3118-0050 Tubes With Screw Caps, Pack of 10
The Nalge Nunc Oak Ridge Centrifuge Tubes represent a crucial piece of equipment for any serious lab environment, from medical research to environmental analysis. Manufactured by Nalge Nunc, these polycarbonate tubes promise both transparency and the ability to withstand significant centrifugal force, making them essential for separating substances effectively. The screw caps ensure a leakproof seal, while the autoclavable material caters to sterile laboratory protocols.
My journey to these specific centrifuge tubes stemmed from a need for robust and reliable sample containment in demanding field research scenarios. I was tired of dealing with cracked tubes and leaky closures, particularly when processing soil and water samples in remote locations. I required something that could not only hold up to the rigors of transport but also survive high-speed centrifugation for accurate particle separation back at the base camp.
Upon unboxing the pack of ten, I was immediately struck by the clarity of the polycarbonate. The tubes felt substantial and well-made, and the polypropylene screw caps exhibited a satisfyingly firm grip. The build quality appeared exceptional, inspiring confidence in their ability to withstand the high g-forces promised by Nalge Nunc.
I considered cheaper polypropylene alternatives and glass tubes, but the Nalge Nunc Oak Ridge Centrifuge Tubes promised a superior balance of clarity, durability, and chemical resistance that the others couldn’t match. Polypropylene can become brittle with repeated autoclaving, while glass poses a risk of shattering under stress. These Nalge Nunc tubes seemed like the perfect compromise.
My first impression was one of cautious optimism. At $409.99 for a pack of ten, the price point is considerable, demanding they deliver on their promises of performance and longevity. Only time and rigorous testing would reveal whether the investment was truly justified.
Real-World Testing: Putting Nalge Nunc Oak Ridge Centrifuge Tubes, Polycarbonate, NALGENE 3118-0050 Tubes With Screw Caps, Pack of 10 to the Test
First Use Experience
My initial field test took place at a remote mountain lake where I was collecting sediment samples for microplastic analysis. The tubes were pre-sterilized via autoclave before the trip. I then transported them in a cooler alongside the sampling equipment.
The conditions were challenging, with variable temperatures and exposure to wind and fine sediment. Back at the research vehicle, I used the Nalge Nunc Oak Ridge Centrifuge Tubes to collect the samples, which were then transported to our field lab for analysis. No leaks or damage were observed during transport.
Using the tubes proved remarkably simple. The wide opening made pouring samples easy, and the screw caps sealed tightly, preventing any leakage during transport. I felt confident in their ability to keep my samples secure.
After the first use, I noticed a slight cloudiness in one of the tubes after autoclaving it. However, it did not affect its structural integrity or ability to function.
Extended Use & Reliability
After several weeks of use, including repeated autoclaving and centrifugation at up to 30,000 g, the Nalge Nunc Oak Ridge Centrifuge Tubes held up remarkably well. There were no cracks or signs of significant wear, demonstrating the durability of the polycarbonate material.
The tubes were easy to clean with standard lab detergents and distilled water. They resisted staining and maintained their clarity, ensuring accurate sample observation. The threads on the screw caps remained smooth, allowing for consistent and reliable sealing.
In comparison to the polypropylene tubes I previously used, the Nalge Nunc tubes exhibited superior durability and chemical resistance. They were significantly less prone to cracking and discoloration, inspiring greater confidence in my data. The initial cloudiness observed after the first autoclaving was not observed again, suggesting it was a one-time phenomenon.
Breaking Down the Features of Nalge Nunc Oak Ridge Centrifuge Tubes, Polycarbonate, NALGENE 3118-0050 Tubes With Screw Caps, Pack of 10
Specifications
- Nominal Volume: 50 mL. This refers to the standard rotor tube size.
- Actual Volume: 43 mL. This is the true volume the tube can hold before leakage may occur.
- Diameter x Length: 28.8 x 107 mm. This is the physical size of the tube for compatibility with centrifuges.
- NNI No.: 3118-0050. This is the Nalge Nunc identification number for easy reordering.
- Unit: Pack of 10. The tubes are sold in packs of ten units.
- Material: Transparent autoclavable polycarbonate. This allows visibility of the contents and sterilization.
- Closures: Leakproof polypropylene screw caps. This ensures samples are contained and prevents contamination.
- Centrifugal Force: Withstand up to 50,000 g. These tubes can withstand very high speeds in centrifuges.
- Compliance: Meet OSHA Standard 29 CFR Part 1910.1030. This ensures protection against bloodborne pathogens.
These specifications matter significantly. The high g-force rating allows for efficient and rapid separation of substances, essential for accurate analysis. The leakproof closures guarantee sample integrity, preventing loss or contamination. The autoclavable material ensures sterility, critical for sensitive biological experiments.
Performance & Functionality
The Nalge Nunc Oak Ridge Centrifuge Tubes perform their job exceptionally well. They provide a reliable and robust container for processing samples in the field and in the lab. The leakproof closures provide peace of mind when transporting samples.
The strength of the tubes lies in their durability and resistance to centrifugal forces. The biggest weakness is arguably the price point, making them a significant investment for some labs. The tubes meet and exceed my expectations for reliability.
Design & Ergonomics
The build quality is outstanding, with the polycarbonate material feeling solid and resistant to damage. The weight is appropriate for the size, and the tubes are comfortable to handle, even with gloves. The tubes are designed for ease of use, with a wide mouth for easy filling and emptying.
The polypropylene screw caps are easy to grip and tighten. The tubes have virtually no learning curve.
Durability & Maintenance
With proper care and maintenance, these tubes should last for an extended period. The polycarbonate material is resistant to most common laboratory chemicals. The tubes are easy to clean and maintain with standard laboratory detergents and autoclaving.
Accessories and Customization Options
The pack includes ten tubes and ten screw caps, ready for immediate use. There are no specific customization options available for these tubes. They are designed to be compatible with a wide range of standard centrifuge rotors. The tubes can be combined with labeling systems to identify samples.
Pros and Cons of Nalge Nunc Oak Ridge Centrifuge Tubes, Polycarbonate, NALGENE 3118-0050 Tubes With Screw Caps, Pack of 10
Pros
- *High *g-force rating: Withstand up to 50,000 g, allowing for rapid and efficient separation.
- Leakproof closures: Provide secure sample containment, preventing loss or contamination.
- Autoclavable material: Ensures sterility for sensitive biological experiments.
- Excellent durability: Resistant to cracking and wear, even with repeated use.
- Transparent polycarbonate: Allows for easy visual inspection of sample contents.
Cons
- High price: The cost per tube is significantly higher than polypropylene alternatives.
- Actual volume less than nominal: The actual volume is less than the nominal volume.
Who Should Buy Nalge Nunc Oak Ridge Centrifuge Tubes, Polycarbonate, NALGENE 3118-0050 Tubes With Screw Caps, Pack of 10?
These tubes are perfect for research labs, medical facilities, and environmental scientists who require reliable and durable centrifuge tubes capable of withstanding high g-forces. They’re also great for field researchers who collect and process samples in remote locations. These are perfect for researchers prioritizing accuracy and sample integrity.
If budget is a primary concern, or if extremely high g-forces are not required, cheaper polypropylene tubes may suffice. Those who use less-sensitive samples may also prefer a less expensive option.
A labeling system is a must-have accessory for keeping track of samples. A centrifuge compatible with the tube dimensions is essential.
Conclusion on Nalge Nunc Oak Ridge Centrifuge Tubes, Polycarbonate, NALGENE 3118-0050 Tubes With Screw Caps, Pack of 10
The Nalge Nunc Oak Ridge Centrifuge Tubes, Polycarbonate, NALGENE 3118-0050 Tubes With Screw Caps, Pack of 10 represent a premium solution for demanding sample processing applications. The price is considerable, but the combination of durability, leakproof closures, and high g-force rating justifies the investment for labs and researchers who prioritize reliability and accuracy.
While cheaper alternatives exist, the peace of mind offered by the Nalge Nunc tubes is invaluable when working with irreplaceable or sensitive samples. I would highly recommend these tubes to anyone seeking a robust and dependable solution for their centrifugation needs.
If you’re ready to elevate your sample processing capabilities and invest in the best, click here to purchase your pack of Nalge Nunc Oak Ridge Centrifuge Tubes today!