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Whatman™ 1820-090
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Whatman™ Grade GF/A Borosilicate Glass Microfiber Filter, 90 mm dia

Microfiber Filter, Grade GF/A, 90 mm dia, Circle, Borosilicate Glass, 1.6 µm Particle Retention in Liquid, 260 µm Thickness, 143 ml/min Water Flow Rate, 4.3 s/100 ml/in2 Air Flow Rate, 53 g/m2 Basis Weight, 62 s/ml Filtration Speed, Binder-free

  • Manufacturer Part No: 1820-090
  • SECO Part No: 12-5410-07
  • Sold As:
  • Availability: loading

GE's Whatman Grade GF/A glass microfiber filters feature fine retention. GF/A filters are suitable for water quality parameter measurement and air filtration applications. Filters that combine high loading capacity with fine particle retention are well suited for applications such as water quality parameter measurements involving large sample volumes.

Diameter : 90 mm
Grade : Grade GF/A
Material (ml/min) : Borosilicate Glass
Binder Type : Binder-free
Maximum Temperature : 550°C
Nominal Air Flow Rate : 4.3 sec/100 ml/in2
Nominal Basis Weight : 53 g/m2
Particle Retention in Liquid : 1.6 µm
Shape : Circle
Thickness : 260 µm
Typical Water Flow Rate : 143 ml/min
Wet Burst Pressure : 2 kPa/0.29 psi
Filtration Speed : 62 sec/ml
Loading Capacity : H
  • Fine retention
  • Suitable for a wide range of liquid and air filtration applications
  • Water pollution monitoring of effluents
  • Foodstuff analysis
  • Radioimmunoassay of weak ß emitters
  • Gravimetric determination of airborne particulates
  • Stack sampling and absorption methods of air pollution monitoring
  • For filtration of water and protein filtration

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