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Glass Microfiber Filter GF/F, Binder Free GE Whatman

Whatman glass microfiber filters without binder feature low resistance to fluid flow and high particle-loading capacity. These filters can be used at temperatures up to 500ºC. The fine capillary structure of glass fiber filters can absorb large quantities of water, enabling spot tests and liquid scintillation counting methods.

Glass microfiber filters are mainly used in applications such as air or water monitoring and can be used as pre-filters for membranes.

Unlike membrane filters with a comparable retention value, it has a very rapid flow rate and an extremely high loading capacity. Because of the tight specification of 0.6 µm–0.8 µm particle retention and pure borosilicate glass structure, GF/F is the material upon which the EPA Method TCLP 1311 for Toxicity Characteristic Leaching Procedure was developed. It remains today the filter of choice.


Recommended for DNA binding and purification. Very effective in filtering finely precipitated proteins, GF/F can be used in conjunction with GF/D as a prefilter for the successful clarification of extremely ‘difficult’ biochemical solutions and fluids, and nucleic acids. This filter is available in the FilterCup and Disposable Filter Funnel format.

Particle Retention In Liquid: 0.7 µm
Filtration Speed (Herzberg): Approx. 325 s
Air Flow Rate     19 s/100 ml/in2
Typical Thickness     420 µm
Basis Weight     75 g/m2

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item number diameter   price stock amount
12.1825.01
21 mm

CHF 84.55

 

unit à 100 piece

12.1825.02
24 mm

CHF 102.20

 

unit à 100 piece

12.1825.03
25 mm

CHF 105.05

 

unit à 100 piece

12.1825.04
37 mm

CHF 124.25

 

unit à 100 piece

12.1825.05
42,5 mm

CHF 143.35

 

unit à 100 piece

12.1825.06
47 mm

CHF 165.35

 

unit à 100 piece

12.1825.07
55 mm

CHF 186.70

 

unit à 100 piece

12.1825.09
70 mm

CHF 225.75

 

unit à 100 piece

12.1825.10
90 mm

CHF 80.45

 

unit à 25 piece

12.1825.11
110 mm

CHF 111.75

 

unit à 25 piece

12.1825.12
125 mm

CHF 139.30

 

unit à 25 piece

12.1825.13
150 mm

CHF 201.45

 

unit à 25 piece

12.1825.14
257 mm

CHF 480.80

 

unit à 25 piece

12.1825.15
142 mm

CHF 180.85

 

unit à 25 piece

12.1825.16
293 mm

CHF 712.15

 

unit à 25 piece

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