Established as a dependable compound in analytical and synthetic chemistry, Whatman's Quantitative Filter Papers, specifically the Grade 542 Fillter Circles with a diameter of 185 mm, are renowned for their exceptional performance in filtration applications. These filter circles, categorized under slow filtration types, boast a Basis weight of 93 g/m² and a typical thickness of 150 µm. They demonstrate remarkable particle retention in liquids, effectively filtering particles as small as 2.7 µm. With a filtration time of 2510 seconds, these filters offer reliable and efficient separation, making them ideal for gravimetric metal determinations and other demanding filtration tasks.

• Category: Quantitative Filter Papers
• Brand: Whatman
• Filter type: filter circle
• Description: slow
• Type: Sorte 542
• UNSPSC 13.5: 41104929
• Filtration time [s]: 2510
• Filtration speed Herzberg: 2510 s
• Diameter [mm]: 185
• Ash content: < 0.006 %
• Typical thickness: 150 µm
• Particle retention in liquid: 2.7 µm
• Basis weight: 93 g / m2