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Thumbnail Filmstrip of Grade GF 9 Filter w/ Inorganic Binder, 90mm D Circle, 100/Pk Images
Whatman Grade GF 9 glass microfiber filters are strengthened with an inorganic binder for environmental analysis of coarse, heavy samples.
Features
- Retention of coarse particles (~ 3 um)
- Strengthened with inorganic binder
- Can withstand temperatures up to 500°C
- Medium filtration speed
- Can be used as a pre-filter for dense samples
Strength for Environmental Analysis
Grade GF 9 borosilicate glass filters can be used in a range of environmental analysis applications. The added strength of the inorganic binder makes these filters appropriate for use in retention of samples with heavy particles. Other applications include:
- Determination of PCB*, DDE, DDT, furans, and dioxins in air
- Pollution measurements in industrial, urban, and populated areas
- Dust measurements in the workplace
- Determination of dust fraction in technical gases
- Testing the effectiveness of dust-collecting
* PCB = polychlorinated biphenyl, DDE = dichlorodiphenyldichloroethylene, DDT = dichlorodiphenyltrichloroethane
| Whatman Product Code | 10370205 |
| Filter Size | 90mm Diameter |
| Filter Material | Borosilicate Glass |
| Particle Retention | ~3 um |
| Filter Thickness | 350 um |
| Air Flow Rate | 27 s/100ml/1.56 cm^2 |
| Basis Weight | 70 g/m^2 |
| Operating Temperature | <500 °C |
| Binder Type | Inorganic |
| Filter Shape | Circle |
| Binder Type | Inorganic Binder |
| Pack Size | 100 |
- Diameter
- 90mm
- Grade
- GF 9
- Material
- Glass Fiber (GF)
- Pore Size (µm)
- 1.0-3.0
- Sterility
- Nonsterile
- Wetability
- Hydrophilic