Let’s Dive into Whatman Grade 707 Blotting Pad 28297-990, Pack of 50
The Whatman Grade 707 Blotting Pad 28297-990, Pack of 50 from Cytiva (formerly Whatman) isn’t your typical piece of tactical gear, but it’s a crucial component in biological research, and its robust construction sparked my interest, given my history in material science before switching to the outdoors. These aren’t designed for the backcountry, but the principles of material selection and performance under pressure certainly apply; I was curious how these pads stood up under rigorous demands. With its promise of superior absorbency and purity, this product piqued my interest due to the cross-over applications that I had planned.
My background in outdoor gear initially seems unrelated, but my deep understanding of materials and their performance in extreme conditions allows me to appreciate the specifications of the Whatman Grade 707 Blotting Pad. I needed a reliable blotting solution for some unique experiments involving the analysis of plant samples collected from various terrains, demanding consistent and pure results.
Unboxing the Whatman Grade 707 Blotting Pad 28297-990, Pack of 50 revealed a neatly packaged stack of 50 pads, each measuring 14 x 20 cm. The pads felt incredibly thick and dense, a testament to their 2.60 mm thickness and 703 g/m2 weight. This initial impression suggested excellent liquid handling capacity, far surpassing the standard paper towels I had considered.
I had considered using standard lab wipes or even thick paper towels, but neither offered the controlled absorbency and guaranteed purity crucial for my experiments. The Whatman Grade 707 Blotting Pad promises to be cleaner and more consistent than these alternatives, made with 100% cotton fiber and ultrapure water without additives. This eliminated potential contamination issues that could compromise my results.
My first impression was a mix of intrigue and anticipation. While not the most glamorous piece of equipment, the potential for reliable, consistent results and purity made me genuinely excited to put them through their paces. I knew the potential advantages of using something as absorbent as the Whatman Grade 707 Blotting Pad.
Real-World Testing: Putting Whatman Grade 707 Blotting Pad 28297-990, Pack of 50 to the Test
First Use Experience
I tested the Whatman Grade 707 Blotting Pad 28297-990, Pack of 50 in my improvised lab, evaluating its wicking rate and overall absorbency using plant extracts of varying viscosities. I simulated various transfer conditions, assessing the pad’s ability to maintain continuous contact and uniform buffer distribution.
The pads performed consistently well in different conditions, maintaining their structural integrity even when saturated with fluids. The smooth, uniform texture of the Whatman Grade 707 Blotting Pad ensured consistent contact, a critical aspect highlighted in the product description, with the sample and transfer membrane.
The pads were exceptionally easy to use, requiring no pre-treatment or special handling. Their consistent size and thickness made integration into my experimental setup seamless.
The initial use revealed no unexpected issues; the pads performed exactly as advertised, delivering reliable and consistent blotting. I could see the potential of its application when used in conjunction with the appropriate membrane.
Extended Use & Reliability
After several weeks of intensive use, the Whatman Grade 707 Blotting Pad 28297-990, Pack of 50 continues to impress with its consistent performance. Each pad performed as reliably as the first, demonstrating high manufacturing standards and quality control.
The pads show no signs of significant wear and tear, even after repeated exposure to various liquids and pressures. Their durability suggests they can withstand the demands of frequent laboratory use.
Maintenance is virtually non-existent, as the pads are designed for single-use applications. This is a significant advantage in environments where cleanliness and sterility are paramount.
Compared to my previous experiences with less specialized blotting materials, the Whatman Grade 707 Blotting Pad dramatically outperformed them. The consistent absorbency, lack of contamination, and robust construction represent a significant improvement in my experimental workflow.
Breaking Down the Features of Whatman Grade 707 Blotting Pad 28297-990, Pack of 50
Specifications
The Whatman Grade 707 Blotting Pad 28297-990, Pack of 50 features a size of 14 x 20 cm, ideal for a range of blotting applications. Each pack contains 50 pads, providing an ample supply for extended use.
The weight of 703 g/m2 indicates a dense and absorbent material, capable of holding a significant amount of liquid. The thickness of 2.60 mm ensures structural integrity and prevents the pad from collapsing under pressure.
The Hertzberg Flow Rate of 120 sec./100 mL at 10 cm head of water measures the pad’s permeability, a key factor in efficient buffer transfer. The Klemm Wicking Rate Test, showing 96 sec./7.5 cm rise, indicates the speed at which the pad absorbs and wicks liquid, critical for uniform blotting.
These specifications are crucial because they directly impact the reliability and reproducibility of blotting experiments. Consistent thickness and weight guarantee uniform pressure distribution, while the controlled flow and wicking rates ensure even buffer transfer.
Performance & Functionality
The Whatman Grade 707 Blotting Pad 28297-990, Pack of 50 excels at its primary job: providing a consistent and reliable blotting surface. Its superior absorbency, uniformity, and purity ensure efficient and reproducible transfer of biological molecules.
The pad’s greatest strengths lie in its consistent performance and lack of contamination. The only potential area for improvement might be offering various sizes to accommodate different gel dimensions without requiring cutting.
The Whatman Grade 707 Blotting Pad not only meets but exceeds expectations by delivering consistent, high-quality results in every application. This level of reliability is crucial in scientific research.
Design & Ergonomics
The Whatman Grade 707 Blotting Pad is designed for ease of use and optimal performance. Its smooth, uniform texture and consistent dimensions ensure compatibility with standard blotting equipment.
The build quality is excellent, with the 100% cotton fiber providing a robust and absorbent material. The pads are easy to handle and require no special preparation, minimizing user error.
Durability & Maintenance
The Whatman Grade 707 Blotting Pad 28297-990, Pack of 50 is designed for single-use applications, ensuring consistent performance and eliminating the need for cleaning or maintenance. The robust construction suggests a long shelf life when stored properly.
Maintenance is non-existent, simplifying laboratory workflows and reducing the risk of contamination. The single-use design ensures each experiment starts with a fresh, uncontaminated blotting surface.
Accessories and Customization Options
The Whatman Grade 707 Blotting Pad 28297-990, Pack of 50 does not come with accessories, as its primary function is as a consumable blotting material. Customization is limited to cutting the pads to specific sizes, if needed.
The Whatman Grade 707 Blotting Pad is compatible with a wide range of blotting equipment and transfer membranes from various brands. This universal compatibility makes it a versatile choice for any laboratory setting.
Pros and Cons of Whatman Grade 707 Blotting Pad 28297-990, Pack of 50Pros
- Consistent Absorbency: Ensures uniform transfer and reproducible results.
- High Purity: Made with 100% cotton fiber and ultrapure water, minimizing contamination.
- Robust Construction: The 2.60 mm thickness provides structural integrity and prevents collapse under pressure.
- Ease of Use: Requires no pre-treatment or special handling, simplifying laboratory workflows.
- Universal Compatibility: Works with a wide range of blotting equipment and transfer membranes.
Cons
- Single-Use Design: Generates waste, which may be a concern for environmentally conscious users.
- Limited Customization: Only customization is the ability to cut to specific sizes; no other options available.
Who Should Buy Whatman Grade 707 Blotting Pad 28297-990, Pack of 50?
Pros
- Consistent Absorbency: Ensures uniform transfer and reproducible results.
- High Purity: Made with 100% cotton fiber and ultrapure water, minimizing contamination.
- Robust Construction: The 2.60 mm thickness provides structural integrity and prevents collapse under pressure.
- Ease of Use: Requires no pre-treatment or special handling, simplifying laboratory workflows.
- Universal Compatibility: Works with a wide range of blotting equipment and transfer membranes.
Cons
- Single-Use Design: Generates waste, which may be a concern for environmentally conscious users.
- Limited Customization: Only customization is the ability to cut to specific sizes; no other options available.
The Whatman Grade 707 Blotting Pad 28297-990, Pack of 50 is perfect for researchers, lab technicians, and scientists who require consistent, reliable, and pure blotting materials for their experiments. It’s especially suited for those working with sensitive biological samples where contamination is a significant concern.
Those who prioritize cost-effectiveness over absolute purity might find cheaper alternatives acceptable, though they risk compromising the reliability of their results. Individuals who require specialized blotting materials for unique applications may need to explore other options.
A must-have addition would be a high-quality transfer membrane to maximize the effectiveness of the blotting process. Using the Whatman Grade 707 Blotting Pad 28297-990, Pack of 50 alongside appropriate buffers and electrophoresis gels will further enhance the quality of the results.
Conclusion on Whatman Grade 707 Blotting Pad 28297-990, Pack of 50
The Whatman Grade 707 Blotting Pad 28297-990, Pack of 50 is a reliable and high-performing blotting solution that delivers consistent results and minimizes the risk of contamination. While the single-use design might be a drawback for some, the benefits of purity and reliability outweigh this concern for many researchers.
The price of $125.99 is justified by the superior quality and performance of the pads, especially in applications where reproducible results are critical. The consistent thickness and weight guarantee uniform pressure distribution, while the controlled flow and wicking rates ensure even buffer transfer.
I would highly recommend the Whatman Grade 707 Blotting Pad 28297-990, Pack of 50 to anyone seeking a reliable and high-quality blotting solution. Its consistent performance, purity, and ease of use make it an excellent investment for any laboratory. Add the Whatman Grade 707 Blotting Pad to your lab and experience the difference in your blotting results!