Does the Popper Laboratory Pipetting Needles, Popper Sons 7939 Standard Hub With 304 Stainless Steel Tubing, Pack of 12 Deliver?
The Popper Laboratory Pipetting Needles, Popper Sons 7939 Standard Hub With 304 Stainless Steel Tubing, Pack of 12, are a crucial component for any laboratory involved in precise liquid handling. Manufactured by Popper Sons, a trusted name in laboratory equipment, these pipetting needles are designed for use with both manual and automatic dispensers. The use of Type 304 stainless steel tubing ensures compatibility with a wide range of liquids, even corrosive ones, making them a versatile tool. With a 16 gauge and a length of 4 inches, these needles promise consistent performance and reliability.
My work in a bio-research facility frequently demands precise dilutions and transfers of sensitive reagents, and the consistency of pipetting is paramount. Our existing needles, generic models, were showing inconsistent dispensing volumes and signs of corrosion. I needed a reliable, corrosion-resistant solution with a standard hub to fit our existing equipment.
The package of Popper Laboratory Pipetting Needles, Popper Sons 7939 Standard Hub With 304 Stainless Steel Tubing, Pack of 12, arrived well-protected. The needles were individually wrapped within the pack, preventing any damage during shipping. The stainless steel construction felt robust and the standard hub seemed perfectly machined. My initial impression was one of quality and attention to detail.
We considered needles from Hamilton and another brand, but Popper Sons had a reputation for consistent quality and a lower price point. The Popper Sons needles felt like the best balance between performance and value. I was optimistic that these needles would solve our consistency problems.
Real-World Testing: Putting Popper Laboratory Pipetting Needles, Popper Sons 7939 Standard Hub With 304 Stainless Steel Tubing, Pack of 12 to the Test
First Use Experience
I tested the Popper Laboratory Pipetting Needles, Popper Sons 7939 Standard Hub With 304 Stainless Steel Tubing, Pack of 12, in our lab environment, specifically with a digital dispenser for dispensing buffers, enzymes, and other solutions. I tested them in both controlled room temperature and refrigerated conditions.
The needles performed admirably across all tested conditions. The liquid dispensing was consistent and the 304 stainless steel showed no signs of reaction with the various reagents used. The needles were easy to attach to the dispenser, and I found the 4-inch length to be adequate for reaching the bottom of most standard laboratory vials.
There was a slight learning curve in adjusting the dispensing rate to account for the needle’s internal volume, but that was quickly overcome with a few trial runs. I was pleasantly surprised by the smoothness of the dispensing action compared to our old needles.
Extended Use & Reliability
After several weeks of continuous use, the Popper Laboratory Pipetting Needles, Popper Sons 7939 Standard Hub With 304 Stainless Steel Tubing, Pack of 12, have proven to be incredibly reliable. The needles show no signs of wear or corrosion, even after repeated exposure to harsh chemicals.
Cleaning these needles is straightforward; a simple flush with distilled water, followed by ethanol, ensures they are free from contamination. Compared to our previous experience, these needles have significantly reduced errors in our experiments due to inconsistent liquid handling. These needles have definitely exceeded expectations.
Breaking Down the Features of Popper Laboratory Pipetting Needles, Popper Sons 7939 Standard Hub With 304 Stainless Steel Tubing, Pack of 12
Specifications
- Gauge: 16. This is a standard gauge providing a balance between dispensing speed and precision.
- Length: 10.2 cm (4 inches). The length is suitable for a variety of laboratory applications.
- Material: Type 304 Stainless Steel. This material provides excellent corrosion resistance and compatibility with a wide range of liquids.
- Hub Type: Standard Hub. The standard hub ensures compatibility with most laboratory dispensers.
- Quantity: Pack of 12. This provides a sufficient supply for a busy laboratory.
These specifications are crucial because they directly impact the accuracy, reliability, and lifespan of the needles. The 304 stainless steel construction ensures the needles can withstand repeated use and exposure to corrosive chemicals. A consistent gauge and length contribute to accurate and repeatable dispensing volumes.
Performance & Functionality
The Popper Laboratory Pipetting Needles, Popper Sons 7939 Standard Hub With 304 Stainless Steel Tubing, Pack of 12, excel in their intended function. They deliver liquids with precision and consistency.
Their main strength is their reliability, but if I had to name a weakness, it is that one needs to adjust the dispensing volume for different viscosity liquids. They meet and even exceed our expectations.
Design & Ergonomics
The design is straightforward and functional, prioritizing practicality over aesthetics. The stainless steel construction gives the needles a substantial feel, and their smooth surface reduces friction during dispensing.
The hub is well-machined and ensures a secure fit to the dispenser. These needles are designed for laboratory professional use.
Durability & Maintenance
Given the 304 stainless steel construction, these needles are expected to last for a long time with proper care. Regular cleaning and proper storage are essential to prolong their lifespan.
Their simple design makes them easy to maintain and there are no complex parts to worry about.
Accessories and Customization Options
These needles are designed to be used with standard laboratory dispensers. While there are no customization options for the needles themselves, they are compatible with a wide range of dispensers and syringes.
The standard hub allows for easy integration with existing laboratory setups. The compatibility with various dispensers and syringes makes these needles versatile and cost-effective.
Pros and Cons of Popper Laboratory Pipetting Needles, Popper Sons 7939 Standard Hub With 304 Stainless Steel Tubing, Pack of 12
Pros
- Consistent and precise liquid dispensing.
- Durable 304 stainless steel construction.
- Compatible with a wide range of laboratory dispensers.
- Easy to clean and maintain.
- Good value for the price.
Cons
- Requires slight adjustment for liquids of different viscosities.
- The 16 gauge size may not be suitable for extremely viscous solutions.
Who Should Buy Popper Laboratory Pipetting Needles, Popper Sons 7939 Standard Hub With 304 Stainless Steel Tubing, Pack of 12?
These needles are perfect for laboratory technicians, researchers, and anyone involved in precise liquid handling. They are especially beneficial for those working with corrosive or sensitive reagents.
These needles may not be the best choice for applications requiring dispensing of extremely viscous solutions. You may also consider other options if budget is no concern as there are many high-end models.
Conclusion on Popper Laboratory Pipetting Needles, Popper Sons 7939 Standard Hub With 304 Stainless Steel Tubing, Pack of 12
The Popper Laboratory Pipetting Needles, Popper Sons 7939 Standard Hub With 304 Stainless Steel Tubing, Pack of 12, are a reliable and cost-effective solution for precise liquid handling in the laboratory. The price is justified by their durability, accuracy, and compatibility with various equipment.
I would highly recommend these needles to anyone seeking a dependable and long-lasting solution for their laboratory pipetting needs. Upgrade your lab’s liquid handling today; you won’t regret it.
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