upports collection of coarse and gelatinous precipitates with minimal fiber shredding, even when wet. Whatman™ Grade 54 Quantitative Filter Paper has a hard, smooth surface to sustain vacuum and suction filtration.

• Acid-treated for high wet-strength and chemical resistance
• Large nominal particle retention rating of 22µm
• Fast filtration speed (Herzberg filtration speed 39 s)
• High purity (0.015% ash maximum)
• Compatible with Büchner funnel or Hirsch funnel applications