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Whatman™ Grade 4 Qualitative Filter Papers, Whatman products (Cytiva)
Whatman™ Grade 4 Qualitative Filter Papers, Whatman products (Cytiva)
Supplier:  Cytiva
Certificates
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Whatman™ Grade 4 Qualitative Filter Papers, Whatman products (Cytiva)
Supplier:  Cytiva
Certificates

Specifications

  • Catalog No:
  • 28460-041
  • 28460-030
  • 28460-085
  • 28460-063
  • 28460-120
  • 28460-110
  • 28460-164
  • 28460-142
  • 28460-171
  • Thickness:
  • 205 µm (typical)
  • 205 µm (typical)
  • 205 µm (typical)
  • 205 µm (typical)
  • 205 µm (typical)
  • 205 µm (typical)
  • 205 µm (typical)
  • 205 µm (typical)
  • 205 µm (typical)
  • Particle retention:
  • 25 µm (Particle retention rating at 98% efficiency), in liquid max.
  • 25 µm (Particle retention rating at 98% efficiency), in liquid max.
  • 25 µm (Particle retention rating at 98% efficiency), in liquid max.
  • 25 µm (Particle retention rating at 98% efficiency), in liquid max.
  • 25 µm (Particle retention rating at 98% efficiency), in liquid max.
  • 25 µm (Particle retention rating at 98% efficiency), in liquid max.
  • 25 µm (Particle retention rating at 98% efficiency), in liquid max.
  • 25 µm (Particle retention rating at 98% efficiency), in liquid max.
  • 25 µm (Particle retention rating at 98% efficiency), in liquid max.
  • Filtration speed:
  • Approx. 37 s (Herzberg)
  • Approx. 37 s (Herzberg)
  • Approx. 37 s (Herzberg)
  • Approx. 37 s (Herzberg)
  • Approx. 37 s (Herzberg)
  • Approx. 37 s (Herzberg)
  • Approx. 37 s (Herzberg)
  • Approx. 37 s (Herzberg)
  • Approx. 37 s (Herzberg)
  • Ash content:
  • 0.06% (Ash is determined by ignition of the cellulose filter at 900 °C in air)
  • 0.06% (Ash is determined by ignition of the cellulose filter at 900 °C in air)
  • 0.06% (Ash is determined by ignition of the cellulose filter at 900 °C in air)
  • 0.06% (Ash is determined by ignition of the cellulose filter at 900 °C in air)
  • 0.06% (Ash is determined by ignition of the cellulose filter at 900 °C in air)
  • 0.06% (Ash is determined by ignition of the cellulose filter at 900 °C in air)
  • 0.06% (Ash is determined by ignition of the cellulose filter at 900 °C in air)
  • 0.06% (Ash is determined by ignition of the cellulose filter at 900 °C in air)
  • 0.06% (Ash is determined by ignition of the cellulose filter at 900 °C in air)
  • Airflow rate:
  • 3.7 s/100 ml/in²
  • 3.7 s/100 ml/in²
  • 3.7 s/100 ml/in²
  • 3.7 s/100 ml/in²
  • 3.7 s/100 ml/in²
  • 3.7 s/100 ml/in²
  • 3.7 s/100 ml/in²
  • 3.7 s/100 ml/in²
  • 3.7 s/100 ml/in²
  • Basis weight:
  • 96 g/m²
  • 96 g/m²
  • 96 g/m²
  • 96 g/m²
  • 96 g/m²
  • 96 g/m²
  • 96 g/m²
  • 96 g/m²
  • 96 g/m²
  • Burst strength:
  • 0.048 bar, wet burst; 0.689 bar, dry burst
  • 0.048 bar, wet burst; 0.689 bar, dry burst
  • 0.048 bar, wet burst; 0.689 bar, dry burst
  • 0.048 bar, wet burst; 0.689 bar, dry burst
  • 0.048 bar, wet burst; 0.689 bar, dry burst
  • 0.048 bar, wet burst; 0.689 bar, dry burst
  • 0.048 bar, wet burst; 0.689 bar, dry burst
  • 0.048 bar, wet burst; 0.689 bar, dry burst
  • 0.048 bar, wet burst; 0.689 bar, dry burst
  • Flow rate:
  • Very fast
  • Very fast
  • Very fast
  • Very fast
  • Very fast
  • Very fast
  • Very fast
  • Very fast
  • Very fast
  • Tensile strength:
  • 28.4 N/15 mm, Tensile M/D Dry
  • 28.4 N/15 mm, Tensile M/D Dry
  • 28.4 N/15 mm, Tensile M/D Dry
  • 28.4 N/15 mm, Tensile M/D Dry
  • 28.4 N/15 mm, Tensile M/D Dry
  • 28.4 N/15 mm, Tensile M/D Dry
  • 28.4 N/15 mm, Tensile M/D Dry
  • 28.4 N/15 mm, Tensile M/D Dry
  • 28.4 N/15 mm, Tensile M/D Dry

Specifications

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