Description
Specifications Table
Product Name – Whatman Grade 604 FF Cellulose Filter Paper
Quantity/Pack Size – 125MM (Pack of 100), 150MM (Pack of 100), 185MM (Pack of 100), 240MM (Pack of 100), 320MM (Pack of 100)
Form – Circular discs
Grade – 604 FF (Fast Flow)
Application – General lab filtration, qualitative analysis
Product Overview
Whatman Grade 604 FF is a high-performance cellulose filter paper engineered for fast filtration in laboratory settings. Made from 100% pure cotton linters, this medium-retention filter paper offers superior wet strength and chemical resistance, making it suitable for a wide range of filtration tasks. The fast-flow design ensures efficient processing of liquids while maintaining particle retention, reducing clogging and improving workflow. Its consistent porosity and uniform thickness provide reliable results in qualitative analysis, sample preparation, and routine filtration procedures. The acid-washed treatment minimizes extractables, ensuring purity in sensitive applications. Available in multiple diameters, this filter paper is compatible with standard filtration apparatus, offering versatility for different experimental setups. The natural cellulose composition provides excellent compatibility with aqueous and organic solvents, while the smooth surface facilitates easy sample recovery. Whether used in gravity or vacuum filtration, Whatman 604 FF delivers consistent performance, making it a staple in research, educational, and industrial laboratories.
FAQs
1. What is the particle retention range for Whatman Grade 604 FF?
This filter paper typically retains particles in the 20-25 micron range, making it suitable for medium-fine filtration tasks.
2. Can this filter paper be used with organic solvents?
Yes, Whatman 604 FF is compatible with most organic solvents commonly used in laboratory filtration processes.
3. How does the flow rate compare to other Whatman grades?
The 604 FF offers faster flow rates than standard qualitative papers like Grade 1, while maintaining good particle retention.
4. What’s the recommended storage condition for these filter papers?
Store in a cool, dry place in their original packaging to prevent contamination and maintain filtration performance.
5. Is this filter paper suitable for sterile filtration?
While it can be autoclaved, Whatman 604 FF is not specifically designed for sterile filtration applications where absolute sterility is required.
