Whatman GF/A

The Whatman™ GF/A filter, catalogue number 14738, is a binder-free glass microfiber filter renowned for its fine particle retention and high flow rate. This filter is widely utilised in various scientific applications, including environmental monitoring, biotechnology, and analytical chemistry.

Key features:

• Fine particle retention: Captures particles as small as 1.6 μm, ensuring precise filtration.
• High flow rate: Facilitates efficient processing of large sample volumes.
• Binder-free composition: Made from 100% borosilicate glass, offering chemical inertness and thermal stability up to 500°C.
• High loading capacity: Suitable for applications requiring the filtration of substantial particulate matter.

Applications:

• Environmental monitoring: Gravimetric determination of airborne particulates, stack sampling, and air pollution analysis.
• Biotechnology: Filtration of algae and bacterial cultures, protein filtration, and radioimmunoassay of weak β emitters.
• Analytical chemistry: Water pollution monitoring, foodstuff analysis, and filtration of aqueous suspensions.

Commonly used in:

• University laboratories: For research and teaching purposes across various scientific disciplines.
• Environmental agencies: Monitoring air and water quality to ensure compliance with regulations.
• Biotechnology companies: Conducting research and development in areas such as molecular biology and bioprocessing.

The Whatman™ GF/A filter has been a staple in scientific research and industry for decades, maintaining its relevance due to its reliability and versatility. Its continued use underscores its importance in applications requiring precise and efficient filtration.