Known for its stable chemical composition in standard conditions, the Fillter Circles, Qualitative, Grade 541, Ø 320 Mm belong to the category of Quantitative Filter Papers. These filter circles, manufactured by Whatman, are characterized by their fast filtration speed, typically completing the process within 3 seconds. With a basis weight of 82 g/m² and a typical thickness of 155 µm, they offer efficient filtration of coarse particles and gelatinous precipitates in acid/alkali solutions, making them suitable for applications such as gravimetric analysis in various industries. The ash content is less than 0.006%, ensuring minimal contamination during the filtration process. The particle retention in liquid ranges from 20 to 25 µm.

• Category: Quantitative Filter Papers
• Description: fast
• Brand: Whatman
• Type: Sorte 541
• UNSPSC 13.5: 41104929
• Ash content: < 0.006 %
• Typical thickness: 155 µm
• Filter type: filter circle
• Filtration time [s]: 3
• Diameter [mm]: 320
• Basis weight: 82 g / m2
• Filtration speed Herzberg: 34 s
• Particle retention in liquid: 20 to 25 µm