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| Glass microfibre filters, grade GF 9, circles Glass microfibre filters have a fast filtration and a high loading capacity and particle retention rate. Manufactured without chemical binder from high grade borosilicate glass. (Exception: GF6, GF9). They are suitable for gravity or low suction filtration. Filtration speeds generally very much higher than conventional cellulose papers. Efficient retention of micron size particles. Must be used flat. Ideal for use in flat perforated plate Buchner type funnels (not sintered glass models). Can be used up to 500°C Wide range of applications including: -retention of fine analytical precipitates -retention of biochemical gelatinous precipitates -water/air pollution analyses -as prefilters for membranes -scintillation counting -radioimmunoassay. Glass fibre filters are made of 100% borosilicate glass fibres with an inorganic binder. Temperature resistant up to 500°C. Glass fibre filters are chemically resistant except against hydrofluoric acids and highly concentrated alkalis. Application: -Gas-/air-monitoring -Water and waste water determination Retention rate: 99.97% Filtration time according to Herzberg: 120s Filtration time according to Gurley: 20s Weight: 70g/m2 Thickness: 350µm Product Specification: Diam.: 90mm | |
| Catalogue Number | 9.068 702 |
| Manufacturer | GE Healthcare |
| Manufacturer P/n | 10370205 |
| Fisher Ref | 9068702 |
| VWR Ref | 515-9304 |
| Type | GF 9 |
| Ø mm | 90.0 |
| Material | Borosilicate |
| PK | 100 |
| Binder | Anorganic |
| Thickness mm | 0.350 |
| Weight g/m² | 70 |
| Filtration speed | 120.0 |
| Max. filtration speed s | 120.0 |
| Thermo Fisher: | 9068702 |
| VWR: | 515-9304 |