Available for professional procurement in standard pack sizes, these Quantitative Filter Circles, Grade 42, Ashless, with a diameter of 150 mm, are ideal for critical gravimetric analysis. Manufactured by renowned brand Whatman, they boast a weight of 100 g/m² and a thickness of 0.20 mm. These filters have an exceptional particle retention capacity of 2.5 µm and a filtration speed of 1870 seconds. With a low ash content of 0.007 %, they ensure accurate results in various analytical precipitate applications such as barium sulfate, metastannic acid, and finely precipitated calcium carbonate.

• Category: Quantitative Filter Papers
• Type: Sorte 42
• UNSPSC 13.5: 41104929
• Brand: Whatman
• Diameter [mm]: 150
• Filter type: filter circle
• Weight: 100 g / m2
• Filtration speed: 1870 s
• Ash: 0.007 %
• Filtration time [s]: 1870
• Thickness: 0.20 mm
• Particle retention: 2.5 µm