Packaged to preserve integrity during storage and transportation, the Filter Circles, Quantitative, Grade 42, Ashless, Dia.: 47 Mm are designed for critical gravimetric analysis applications. These filter circles, produced by Whatman, boast an exceptional particle retention capacity of 2.5 micrometers, making them ideal for precipitates such as barium sulfate, metastannic acid, and finely precipitated calcium carbonate. With a weight of 100 grams per square meter and a thickness of 0.2 millimeters, these filters offer excellent performance while maintaining a low ash content of 0.007 percent.

• Category: Quantitative Filter Papers
• Thickness: 0.20 mm
• Filtration time [s]: 1870
• Particle retention: 2.5 µm
• Brand: Whatman
• Filtration speed: 1870 s
• Type: Sorte 42
• Diameter [mm]: 47
• Ash: 0.007 %
• UNSPSC 13.5: 41104929
• Filter type: filter circle
• Weight: 100 g / m2