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Glass Microfiber Filters GF / A

From $14.99
List Price From $46.00
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

EF8385A
1820-021
2.1cm
In stock (1)
  • $17.99
  • List: $46.00

EF8385B
1820-024
2.4cm
In stock (29)
  • $14.99
  • List: $77.00
EF8385C1820-025
2.5cm
Ships By: 10/12/2018
  • $36.95
  • List: $42.00
EF8385E1820-042
4.25cm
Ships By: 10/15/2018
  • $43.95
  • List: $49.00

EF8385F
1820-047
4.7cm
In stock (217)
  • $19.99
  • List: $65.00
EF8385G1820-055
5.5cm
Ships By: 10/12/2018
  • $51.95
  • List: $58.00
EF8385H1820-070
7.0cm
Ships By: 10/12/2018
  • $63.95
  • List: $71.00
EF8385J1820-090
9.0cm
Ships By: 10/12/2018
  • $95.95
  • List: $108.00
EF8385K1820-110
11.0
Ships By: 10/15/2018
  • $142.95
  • List: $160.00
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