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GE Whatman Glass Microfiber Filters GF/A are autoclavable and binder-free. They can withstand temperatures up to 500°C, making them ideal for air filtration and analysis of volatile materials where ignition is involved. The filters are made from chemically inert, 100% borsilicate glass.

Glass microfiber filters are generally used for spot tests and liquid scintillation counting methods. A fine capillary structure allows the filters to absorb larger quantities of water than an equivalent cellulose filter. Filters can be made transparent for microscopic examination.

GF/A glass microfiber filters are approved for general purpose applications. They offer fine particle retention, high flow rate, and good loading capacity. Recommended applications include: gravimetric determination of airborne particles, stack sampling, and absorption methods of air pollution monitoring.

Key Features

  • Binder-free
  • Autoclavable
  • Can withstand temperatures up to 500°C

Specifications for Whatman® Glass Microfiber Filters - GF/A
Grade: GF/A
Description: Fast, high loading
Particle Retention in Liquid (µm): 1.6
Filtration Speed Herzberg (s): 62
Air flow (s/100 ml/in²): 4.3
Typical Thickness (µm): 260
Basis Weight (g/m²): 53
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Cat # Diameter Units Of Measure Availability Price Quantity
EF8385A1820-021
2.1cm
In stock (12)
  • $31.68
EF8385B1820-024
2.4cm
In stock (75)
  • $29.38
  • List: $33.00
EF8385C1820-025
2.5cm
Ships By: 11/9/2017
  • $50.95
  • List: $57.00
EF8385E1820-042
4.25cm
Ships By: 11/13/2017
  • $42.24
EF8385F1820-047
4.7cm
In stock (270)
  • $40.15
  • List: $45.00
EF8385G1820-055
5.5cm
Ships By: 11/9/2017
  • $71.95
  • List: $81.00
EF8385H1820-070
7.0cm
Ships By: 11/9/2017
  • $86.95
  • List: $98.00
EF8385J1820-090
9.0cm
Ships By: 11/9/2017
  • $149.16
EF8385K1820-110
11.0
In stock (7)
  • $105.60
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