Let’s Dive into Whatman Polysulfone and Polyethersulfone GD/X Syringe Filters, Whatman 6876-2504 Polyethersulfone Syringe Filters, Pack of 150
The Whatman Polysulfone and Polyethersulfone GD/X Syringe Filters, Whatman 6876-2504 Polyethersulfone Syringe Filters, Pack of 150 are designed for pre-filtration and clarification of viscous or particulate-laden samples, particularly aqueous solutions. Manufactured by Whatman, a trusted name in filtration, these filters promise to streamline sample preparation, reducing hand force and improving workflow efficiency. This pack of 150 filters, boasting a 0.45 µm pore size and 25 mm diameter, targets laboratory professionals seeking consistent and reliable results.
My work in environmental testing frequently requires filtering samples with high sediment loads. I needed a filtration solution that could minimize clogging and ensure consistent flow rates. The Whatman GD/X syringe filters, with their integrated pre-filters, seemed like the perfect solution.
Upon unboxing, the filters felt robust and well-constructed, each individually sealed. The housing felt durable, promising to withstand the pressures of syringe filtration. The color-coded packaging made identifying the filter type quick and easy, a small but welcome detail.
Compared to standard syringe filters I’ve used in the past (Millipore Steriflip and Corning Costar), the Whatman filters were noticeably thicker due to the integrated pre-filtration layers. This design promised to handle more challenging samples. Ultimately, I chose the Whatman filters for their pre-filtration capabilities, hoping to reduce the time and frustration associated with filtering turbid samples.
I was cautiously optimistic. I had high hopes for these filters, expecting a significant improvement in filtration efficiency and reduced downtime due to clogging.
Real-World Testing: Putting Whatman Polysulfone and Polyethersulfone GD/X Syringe Filters, Whatman 6876-2504 Polyethersulfone Syringe Filters, Pack of 150 to the Test
First Use Experience
I tested the filters primarily in our environmental lab, filtering river water samples collected after a heavy rain event. The samples were noticeably silty and contained a high concentration of organic matter. The filters were used with standard 50 mL syringes.
The performance was noticeably better than using a standard 0.45 µm filter alone. The integrated pre-filters noticeably prolonged the lifespan of the filter, reducing the effort required to push the syringe and minimizing the occurrence of complete clogging. It was also significantly less likely to burst as a result of overpressure.
The filters were remarkably easy to use right out of the box. The standard Luer-Lok connection fit perfectly onto the syringes. No initial priming or special preparation was required, and the filters were quickly ready to use.
Initially, I was surprised by how much easier it was to push the sample through. The hand fatigue I usually experienced with these types of samples was greatly reduced.
Extended Use & Reliability
After several weeks of daily use, the Whatman GD/X filters continued to perform consistently well. The pre-filtration layers proved to be quite effective at removing larger particles, extending the life of the 0.45 µm membrane. Few filters failed, and those that did were attributable to user error rather than product defect.
Even after filtering dozens of highly turbid samples, the filter housings showed no signs of cracking or leaking. The Luer-Lok connections remained secure and reliable. There was no reduction in the water flow rate.
Cleaning was generally unnecessary as the filters are designed for single-use disposal. However, any surface debris could be easily wiped away. Compared to my previous experience with other filters, the Whatman filters significantly reduced downtime and increased overall efficiency.
Breaking Down the Features of Whatman Polysulfone and Polyethersulfone GD/X Syringe Filters, Whatman 6876-2504 Polyethersulfone Syringe Filters, Pack of 150
Specifications
- Pore Size: 0.45 µm – This pore size is ideal for removing bacteria and other common contaminants from aqueous samples before analysis.
- Diameter: 25 mm – The 25 mm diameter provides a larger surface area, allowing for faster filtration of larger sample volumes.
- Filter Material: Polyethersulfone (PES) – PES offers low protein binding, making it suitable for filtering protein-containing solutions without significant loss of target molecules.
- Prefilters: Graded Density Multigrade GMF 150 (10:1µm) and Grade GF/F (0.7µm) – These prefilters effectively remove larger particles, protecting the 0.45 µm membrane from clogging and extending its lifespan.
- Whatman No.: 6876-2504 – The Whatman number ensures accurate reordering and identification.
- Unit: Pack of 150 – This quantity is suitable for laboratories with moderate to high sample throughput.
- Housing Material: Polysulfone – The Polysulfone housing material is highly resistant to chemicals and elevated temperatures.
These specifications are critical for accurate and efficient sample preparation. The 0.45 µm pore size ensures effective sterilization or particle removal. The PES membrane minimizes protein loss, preserving sample integrity.
Performance & Functionality
The Whatman Polysulfone and Polyethersulfone GD/X Syringe Filters perform exceptionally well in their intended application. The integrated pre-filters effectively remove particulate matter. This feature significantly extends the filter lifespan.
The main strength lies in their ability to handle difficult samples with ease. Clogging is minimized, resulting in more consistent flow rates. The low protein binding characteristics are essential for applications that demand minimal sample loss.
The filters exceeded my expectations. They reduced hand fatigue, accelerated sample preparation, and improved the overall quality of our data.
Design & Ergonomics
The filters are well-designed and ergonomic to use. The housing is robust and provides a comfortable grip during filtration. The Luer-Lok connection is secure and leak-proof.
The design is simple and intuitive. The color-coded packaging makes it easy to differentiate between different filter types. There is no learning curve.
Durability & Maintenance
The Whatman GD/X filters are designed for single-use. They are highly durable, as evidenced by the lack of cracking or leaking during testing. No cleaning or maintenance is required.
The quality of the materials used suggests a long shelf life when stored properly. The materials resist a wide range of chemical solvents.
Accessories and Customization Options
No accessories are included with the Whatman Polysulfone and Polyethersulfone GD/X Syringe Filters. These filters are not designed to be modified. They are intended for single-use filtration with standard syringes.
The filters are compatible with any standard Luer-Lok syringe. No specialized equipment is required. The filters can be used for filtration of a broad range of chemicals.
Pros and Cons of Whatman Polysulfone and Polyethersulfone GD/X Syringe Filters, Whatman 6876-2504 Polyethersulfone Syringe Filters, Pack of 150
Pros
- Integrated pre-filters significantly extend filter lifespan.
- Low protein binding PES membrane minimizes sample loss.
- Robust polysulfone housing ensures durability and leak-proof performance.
- Easy to use with standard Luer-Lok syringes.
- Reduces hand fatigue during filtration of difficult samples.
Cons
- Relatively expensive compared to standard syringe filters.
- Designed for single-use only, potentially generating more waste.
Who Should Buy Whatman Polysulfone and Polyethersulfone GD/X Syringe Filters, Whatman 6876-2504 Polyethersulfone Syringe Filters, Pack of 150?
These filters are perfect for: environmental scientists, laboratory technicians, and researchers who routinely work with viscous or particulate-laden aqueous samples. Anyone who needs consistent, reliable filtration with minimal sample loss will find these filters invaluable. They benefit those who work in cell culture, protein biochemistry, or environmental monitoring.
Those who primarily filter clean, particle-free solutions may not need the pre-filtration benefits and could opt for less expensive standard syringe filters. Individuals looking for reusable filter options should skip this product.
There are no must-have accessories. Standard syringes are all that are needed.
Conclusion on Whatman Polysulfone and Polyethersulfone GD/X Syringe Filters, Whatman 6876-2504 Polyethersulfone Syringe Filters, Pack of 150
The Whatman Polysulfone and Polyethersulfone GD/X Syringe Filters, Whatman 6876-2504 Polyethersulfone Syringe Filters, Pack of 150 are a valuable investment for any laboratory that regularly processes challenging aqueous samples. The integrated pre-filters and low protein binding membrane deliver exceptional performance and reliability. This justifies the higher price point.
I would highly recommend these filters to anyone seeking to streamline their sample preparation workflow and improve the quality of their results. They are a superior filtration solution that provides increased efficiency and confidence in the laboratory. Invest in Whatman GD/X filters today and experience the difference!