Description
Specifications Table
Product Name – Whatman Grade 2589C Cellulose Filter Paper
Quantity/Pack Size – 25x75MM (Pack of 100)
Form – Sheets
Grade – 2589C (High Wet Strength)
Application – General lab filtration, particle retention, and liquid clarification
Product Overview
Whatman Grade 2589C Cellulose Filter Paper is engineered for superior performance in laboratory filtration applications where durability and chemical resistance are critical. Made from high-purity cellulose fibers, this filter paper offers exceptional wet strength, making it ideal for processes involving aggressive solvents or prolonged filtration. The 2589C grade is designed to retain fine particles while maintaining a fast flow rate, ensuring efficiency without compromising on clarity. Its consistent pore structure provides reliable results, reducing the risk of clogging or premature failure during use. The paper is free from binders and additives, ensuring minimal extractables and compatibility with a wide range of chemicals. Whether used in qualitative or quantitative analysis, this filter paper delivers consistent performance, making it a trusted choice for researchers and lab professionals. The 25x75MM size is convenient for standard funnels and filtration setups, while the pack of 100 ensures you have an ample supply for repeated experiments. With its balance of strength, purity, and filtration efficiency, Whatman 2589C is a versatile solution for critical lab workflows.
FAQs
1. What is the chemical resistance of Whatman Grade 2589C filter paper?
This filter paper is resistant to most organic solvents, dilute acids, and alkalis, making it suitable for a broad range of chemical filtration tasks. Avoid using it with strong oxidizing agents or concentrated mineral acids, as these may degrade the cellulose fibers over time.
2. Can this filter paper be used for sterile filtration?
Whatman 2589C is not pre-sterilized, but it can be autoclaved at 121°C for 15 minutes if sterile conditions are required. Ensure the paper is dry before autoclaving to prevent tearing or deformation during the process.
3. How does the wet strength of this filter paper compare to standard grades?
The 2589C grade is specifically treated to enhance wet strength, making it significantly more durable than untreated cellulose papers like Whatman Grade 1 or 4. It maintains structural integrity even when saturated, reducing the risk of tearing during filtration.
4. What is the particle retention capacity of this filter paper?
This filter paper retains particles down to approximately 8–12 microns, depending on the filtration conditions. It is optimized for medium to coarse particle retention, balancing flow rate and clarity for general lab applications.
5. Is this filter paper compatible with vacuum filtration systems?
Yes, Whatman 2589C can be used in vacuum filtration setups, provided the pressure differential does not exceed the paper’s structural limits. For high-vacuum applications, pre-wetting the paper can improve adhesion to the filtration apparatus and prevent edge leaks.
