Processed under controlled conditions to ensure purity and stability, these Quantitative Filter Papers, specifically the Fillter Circles, Qualitative, Grade 540, Ø 185 Mm, are manufactured by Whatman. With a basis weight of 88 g/m² and a typical thickness of 160 µm, they offer a medium filtration speed of 200 seconds These papers have a particle retention in liquid of 8 µm and a filtration time of 200 seconds. They are known for their high chemical resistance to strong acids and alkalis, making them ideal for gravimetric analysis of metals in acidic or alkaline solutions.

• Category: Quantitative Filter Papers
• Filtration speed Herzberg: 200 s
• Description: medium
• UNSPSC 13.5: 41104929
• Ash content: < 0.006 %
• Type: Sorte 540
• Diameter [mm]: 185
• Basis weight: 88 g / m2
• Filter type: filter circle
• Typical thickness: 160 µm
• Particle retention in liquid: 8 µm
• Brand: Whatman
• Filtration time [s]: 200