Manufactured to meet research and production requirements, this Filter Circle, Qualitative, Grade 50, Ø 240 Mm is a high-quality laboratory tool from the renowned brand Whatman. With a basis weight of 97 g/m² and a typical thickness of 115 µm, it offers a slow filtration rate of 2685 s, making it ideal for qualitative or quantitative filtrations requiring vacuum assistance on Büchner or 3-piece filter funnels. Its ash content is minimal at 0.015%, and it boasts a particle retention in liquid of 2.7 µm. The filter's diameter measures 240 mm, ensuring efficient filtration of larger samples. Its hardened and highly glazed surface keeps it free from loose surface fibers, making it suitable for wet handling and precipitate removal by scraping.

• Category: Quantitative Filter Papers
• Particle retention in liquid: 2.7 µm
• Description: slow
• Typical thickness: 115 µm
• Brand: Whatman
• Type: Sorte 50
• Filtration speed Herzberg: 2685 s
• Basis weight: 97 g / m2
• Ash content: 0.015 %
• Filter type: filter circle
• Diameter [mm]: 240
• UNSPSC 13.5: 41104929
• Filtration time [s]: 144