Cytiva Whatman™ Quantitative Filter Paper: Grade 50 Circles

Enables strong retention for very fine crystalline precipitates. Whatman™ Quantitative Filter Paper: Grade 50 Circles withstand shredding, wet handling, and precipitate removal by scraping.

Supplier:  Cytiva 1450070

Catalog No. 09-865B

Description

Enables strong retention for very fine crystalline precipitates. Whatman™ Quantitative Filter Paper: Grade 50 Circles withstand shredding, wet handling, and precipitate removal by scraping.

Highly glazed, hardened filter paper

• Thinner filter design (average thickness 115 μm) than most Büchner filter papers
• Acid-treated for high wet-strength and chemical resistance
• Nominal particle retention of 2.7 μm
• Slow flow rates (Herzberg filtration speed 2685 s)
• High purity and low ash content (0.015% ash maximum)
• Compatible with Hirsch or Büchner funnels

Specifications

• Airflow Rate: 144 s/100 mL/in²
• Format: Disc
• Particle Retention: 2.7 μm
• Filtration Speed: ASTM, 250 seconds; Herzberg, 2685 seconds
• For Use With (Application): For qualitative or quantitative filtrations requiring vacuum assistance on Büchner or 3-piece filter funnels.
• Porosity: Fine
• Thickness (Metric): 115 μm
• Diameter (English): 2.75 in.

• Description: Grade 50 Filter for Quantitative Analysis, Thin, 70 mm circle (100 pcs)
• Material: Cotton Linters
• Pore Size: 2.7 μm
• Flow Rate: Slow
• Grade: Grade 50
• Quantity: 100 Pack
• Type: Hardened Low Ash
• Diameter (Metric): 70 mm