Manufactured to meet research and production requirements, these Quantitative Filter Papers, specifically Fillter Circles, Grade 541, with a diameter of 55 mm, are designed for fast filtration of coarse particles and gelatinous precipitates in acid/alkali solutions during gravimetric analysis. These filter circles, branded by Whatman, have a basis weight of 82 g/m² and a typical thickness of 155 µm. They offer a particle retention in liquid ranging from 20 to 25 µm and a filtration speed of 34 seconds With an ash content less than 0.006%, they ensure minimal contamination in your experiments.

• Category: Quantitative Filter Papers
• Diameter [mm]: 55
• Particle retention in liquid: 20 to 25 µm
• UNSPSC 13.5: 41104929
• Typical thickness: 155 µm
• Filtration speed Herzberg: 34 s
• Basis weight: 82 g / m2
• Description: fast
• Filter type: filter circle
• Type: Sorte 541
• Brand: Whatman
• Ash content: < 0.006 %
• Filtration time [s]: 3