Engineered for consistent performance, these Filter Circles, Quantitative, Grade 42, Ashless, Dia.: 55 Mm from Whatman boast a weight of 100 g/m² and a thickness of 0.20 mm. With a filtration speed of 1870 seconds and a particle retention of 2.5 µm, they provide exceptional filtration efficiency. Suitable for critical gravimetric analysis, they can handle typical analytical precipitates such as barium sulfate, metastannic acid, and finely precipitated calcium carbonate.

• Category: Quantitative Filter Papers
• Filtration time [s]: 1870
• Diameter [mm]: 55
• Brand: Whatman
• Filtration speed: 1870 s
• Thickness: 0.20 mm
• Particle retention: 2.5 µm
• Type: Sorte 42
• Weight: 100 g / m2
• UNSPSC 13.5: 41104929
• Ash: 0.007 %
• Filter type: filter circle