Developed for demanding processing applications, the Quantitative Filter Circles, Grade 41, Ashless, Dia.: 90 Mm, are designed to handle coarse particles or gelatinous precipitates effectively. These filters, manufactured by Whatman, offer a filtration time of 54 seconds, making them suitable for use in analytical procedures involving iron or aluminum hydroxides. Additionally, they find application in quantitative air pollution analysis due to their ability to function as a paper tape for impregnation when determining gaseous compounds at high flow rates.

• Category: Quantitative Filter Papers
• Filtration time [s]: 54
• Brand: Whatman
• Diameter [mm]: 90
• Filter type: filter circle
• UNSPSC 13.5: 41104929
• Type: Sorte 41