Available for professional procurement in standard pack sizes, the Filter Circles, Qualitative, Grade 2, Dia.: 70 Mm are designed for applications requiring increased filtration time and enhanced absorbency compared to grade 1 filters. These filter circles, manufactured by Whatman, are particularly useful in situations where holding soil nutrients during plant growth trials or monitoring specific contaminants in the atmosphere and soil testing is necessary. With a diameter of 70 mm, these filter circles offer a particle retention of 8 µm and a filtration speed of 240 seconds, ensuring efficient filtration within the specified range. The filters have a thickness of 0.19 mm and a weight of 103 g/m2, providing an ideal balance between performance and cost-effectiveness.

• Category: Qualitative Filter Papers
• Brand: Whatman
• Type: Sorte 2
• UNSPSC 13.5: 41104929
• Filter type: filter circle
• Filtration time [s]: 20
• Ash: 0.06 %
• Diameter [mm]: 70
• Particle retention: 8 µm
• Filtration speed: 240 s
• Thickness: 0.19 mm
• Weight: 103 g / m2