Whatman 1450-240 Grade 50 Filter for Quantitative Analysis, Thin, 240 mm circle (100 pcs)

SKU:
WHA1450240
  • $185.00

    • Description

     

    Whatman 1450-240 Grade 50 Filter for Quantitative Analysis, Thin, 240 mm circle (100 pcs) (WHA1450240)

    Thinnest Whatman brand hardened filter paper, highly glazed Grade 50 supports vacuum filtration in Büchner funnels or Hirsch funnels and enables strong retention of very fine crystalline precipitates.

    • 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
    ParameterGrade 50 Filter for Quantitative Analysis, Thin, 240 mm circle (100 pcs)
    Grade Grade 50 
    Format Circles 
    Type Hardened low ash 
    Diameter 240 mm
    Typical Particle Retention in Liquid1 2.7 µm 
    Nominal Thickness 115 µm
    Typical water flow rate2 10 ml/min 
    Nominal Basis Weight 96 g/m²
    Nominal Air Flow Rate 144 s/100 mL/in² 
    Nominal Ash Content3 0.015% 
    Material High-quality cotton linters 
    Alpha Cellulose Content Min. ≥98% 
    Application For qualitative or quantitative filtrations requiring vacuum assistance on Büchner or 3-piece filter funnels. 
    Dimensions Ø 240 mm 
    • 1Particle retention rating at 98% efficiency.
    • 2For 9 cm diameter
    • 3Ash is determined by ignition of the cellulose filter at 900°C in air.
    • Whatman is a registered trademark of Cytiva.