Whatman Grade 41 Quantitative Ashless Filter Paper Circles, 42.5mm, 100-pk

Whatman Grade 41 quantitative ashless filter paper is engineered for gravimetric analysis and analytical procedures where sample recovery and low ash content are critical. This fast-filtering paper delivers reliable particle retention with a 20µm pore size, making it ideal for coarse precipitates and gelatinous solutions in environmental testing, soil analysis, food science, and pharmaceutical quality control laboratories.

• Pore Size: 20µm for efficient retention of coarse and gelatinous precipitates
• Ashless Grade: Maximum ash content of 0.01%, ensuring accurate gravimetric results
• Diameter: 42.5mm circles designed for standard laboratory filtration funnels
• Fast Flow Rate: High filtration speed for increased sample throughput
• Quantity: 100 circles per pack for consistent laboratory supply
• SKU: 1441-042