Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50 Review

Let’s Dive into Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50

The Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50 represents a pinnacle in filtration technology, offering unparalleled precision and reliability for laboratory applications. These filters, manufactured by Whatman, are designed for a wide range of uses, from HPLC mobile phase filtration to bacterial analysis and solvent purification. The unique Anopore membrane ensures consistent pore size and minimal protein binding, making them an essential tool for any serious researcher or scientist. Their ability to retain microorganisms and particles on the membrane surface for electron microscope examination while being virtually transparent when wet, is unmatched.

My journey to discover the Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50 began during a project involving environmental water quality testing. We were consistently struggling with inconsistent results and membrane clogging when using traditional cellulose filters, leading to unreliable data. I needed a filter that could provide precise particle retention, withstand various solvents, and allow for microscopic analysis without compromising sample integrity.

The Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50 arrived securely packaged, with each filter individually protected within the pack of 50. My initial impression was one of quality; the filter membranes were pristine, and the polypropylene support ring felt robust and well-constructed. The weight was negligible, emphasizing the fine nature of the Anopore membrane itself.

Compared to standard cellulose acetate filters and even some competitor alumina filters, the Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50 stood out due to its superior chemical compatibility and uniform pore structure. I had previously experimented with Millipore Steriflip filters, which are great for sterilization, but lack the specialized pore size precision and solvent resistance needed for my HPLC and microscopy work. I also considered GE Healthcare’s Whatman Puradisc syringe filters, but these are better suited for smaller volumes; for my large-volume water samples, the Anodisc 13 was a more efficient and cost-effective solution.

My first impression was excitement mixed with a touch of anticipation. I was eager to see if the Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50 could live up to its promises of consistent performance and versatile application.

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Real-World Testing: Putting Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50 to the Test

First Use Experience

My initial test of the Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50 involved filtering environmental water samples collected from a local river suspected of heavy metal contamination. The filters were used in conjunction with a standard 47mm filtration apparatus. The filtration process was noticeably faster compared to the cellulose filters I had previously used, with minimal clogging even when filtering samples with high particulate matter.

In wet conditions, the filters maintained their structural integrity and did not exhibit any signs of swelling or distortion. After filtration, the membrane’s near-transparency when wet allowed for direct microscopic examination of the retained particles without any need for transfer. This proved invaluable in identifying and quantifying different types of algae and sediment present in the water samples.

The Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50 were incredibly easy to use, requiring no specialized training or equipment. The polypropylene support ring provided a secure grip, preventing any accidental tearing or damage to the delicate membrane. After first use, there were no unexpected issues.

Extended Use & Reliability

After several weeks of consistent use in various applications, including HPLC mobile phase filtration and bacterial culture analysis, the Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50 continued to deliver exceptional performance. The filters maintained their consistent pore size of 0.2 µm, ensuring reliable and reproducible results across different experiments. There were no signs of degradation or loss of filtration efficiency.

The filters showed no signs of wear and tear, even after repeated exposure to harsh chemicals and solvents. Maintenance was straightforward; after each use, the filtration apparatus was thoroughly cleaned with distilled water and ethanol. Compared to previous experiences with other filter types, the Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50 significantly outperformed in terms of reliability, consistency, and ease of use.

Breaking Down the Features of Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50

Specifications

• Pore Size: 0.2 µm. This precise pore size ensures consistent particle retention, essential for accurate and reproducible results in various applications.
• Diameter: 47 mm. The standard 47mm diameter makes the filters compatible with most common filtration apparatus.
• Whatman No.: 6809-5022. This unique identifier ensures that you are purchasing the correct Whatman product with the specified characteristics and quality.
• Unit: Pack of 50. The pack of 50 provides a convenient and cost-effective supply for laboratories with moderate to high filtration needs.
• Anopore Membrane: The Whatman Anopore membrane consists of a unique, non-organic aluminum oxide matrix that offers exceptional chemical compatibility, minimal protein binding, and uniform pore distribution.
• Polypropylene Support Ring: The inert polypropylene ring provides structural support to the fragile Anopore membrane. It facilitates easy handling and prevents tearing during filtration.

These specifications are crucial because they directly impact the filter’s performance in various applications. The precise pore size ensures accurate particle separation, while the chemical compatibility allows for use with a wide range of solvents without compromising the filter’s integrity. The standard diameter ensures compatibility with existing laboratory equipment, and the robust construction guarantees reliable and consistent performance.

Performance & Functionality

The Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50 excels in its primary function of filtering liquids with high precision. The consistent 0.2 µm pore size effectively removes bacteria, particulate matter, and other contaminants from samples, ensuring accurate downstream analysis. The filters exhibit high flow rates and minimal clogging, even when filtering samples with high solid content.

One notable strength is its exceptional chemical compatibility. It allows it to be used with a wide range of organic solvents and aqueous solutions, unlike many other filters that are limited to specific chemicals. A weakness is the relatively high price point compared to some other filter options, although the superior performance and reliability often justify the cost. The Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50 exceeds expectations, providing reliable and reproducible results in various applications.

Design & Ergonomics

The Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50 boasts a well-thought-out design that prioritizes ease of use and durability. The polypropylene support ring provides a secure grip and prevents damage to the delicate membrane. The lightweight design makes the filters easy to handle and manipulate within the filtration apparatus.

The filters are incredibly user-friendly, requiring no specialized training or techniques to use effectively. There is virtually no learning curve, making them suitable for both experienced researchers and novice laboratory technicians.

Durability & Maintenance

With proper care and handling, the Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50 are designed to last through numerous filtration cycles. The chemically resistant Anopore membrane ensures that the filters maintain their integrity even after repeated exposure to harsh solvents. Maintenance primarily involves cleaning the filtration apparatus after each use to prevent cross-contamination.

Accessories and Customization Options

The Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50 do not come with any specific accessories, as they are designed to be used with standard 47mm filtration apparatus. However, they are highly compatible with various accessories from other brands, including filter holders, vacuum pumps, and collection flasks. The ability to customize filtration setups with compatible accessories allows users to tailor the system to their specific needs.

Pros and Cons of Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50

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Who Should Buy Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50?

The Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50 are perfect for researchers and laboratory technicians involved in:

• HPLC mobile phase filtration.
• Bacterial analysis by epifluorescent light microscopy.
• Ultra cleaning of solvents.
• Gravimetric analysis.
• Liposome extrusion.
• Environmental water quality testing.

This product may not be the best choice for individuals or organizations on a very tight budget, as cheaper alternatives exist, albeit with compromised performance. Those needing to filter extremely large volumes of highly contaminated samples may also find that pre-filtration is a more cost-effective approach.

A must-have accessory is a high-quality 47mm filtration apparatus made of glass or stainless steel to ensure chemical compatibility and prevent contamination.

Conclusion on Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50

In summary, the Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50 stands out as a premium filtration solution for demanding laboratory applications. Its combination of precise pore size, exceptional chemical compatibility, and high flow rates makes it an invaluable tool for any researcher seeking reliable and reproducible results. While the price may be higher than some alternatives, the superior performance and durability justify the investment.

The price is absolutely justified for those who need the reliability and precision these filters offer. The benefits far outweigh the cost, especially when accuracy and consistency are paramount.

I wholeheartedly recommend the Whatman Anodisc 13 Supported Membrane Filters, Whatman 6809-5022, Pack of 50 to any researcher or laboratory professional seeking a top-of-the-line filtration solution. Upgrade your lab’s filtration process today and experience the difference!