| CHROMAFIL® GF |
| Syringe filters with glass fiber membrane |
| Features |
| – Inert filter, nominal pore size 1 µm, allows higher flow rates than small pore filters |
| – For solutions with high loads of particulate matter or for highly viscous solutions (e.g., soil samples, fermentation broths) |
| – As prefilters for other CHROMAFIL® filters, they prevent plugging of the membrane. |
| Ordering information · CHROMAFIL® Xtra Glass fiber syringe filters labeled for method validation and certification |
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| Type | Pore size | Membrane | Standard pack | BIG-BOX | |||
| [µm] | dia. [mm] | Filters/pack | REF | Filters/pack | REF | ||
| GF-100/25 | nominal 1.0 | 25 | labeled | 100 | 729228 | 400 | 729228 |
| Ordering information · CHROMAFIL® Color-coded glass fiber syringe filters |
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| Type | Pore size | Membrane | Color code | Standard pack | BIG-BOX | |||
| [µm] | dia. [mm] | top | bottom | Filters/pack | REF | Filters/pack | REF | |
| GF-100/15 MS | nominal 1.0 | 15 | blue | colorless | 100 | 729034 | 800 | 729035 |
| GF-100/25 | nominal 1.0 | 25 | yellow | black | 100 | 729028 | 400 | 729028 |
| MS = minispike on filter exit | ||||||||
| CHROMAFIL® filter membranes | ||
| Chemical compatibility of filter materials | ||
| The following table lists the chemical compatibility of our CHROMAFIL® materials. The chemical compatibility depends on several parameters such as time, pressure, temperature and concentration. In most cases, CHROMAFIL® filters will have only short contact with a solvent. | In these cases they may be used despite of limited compatibility. For example, a PTFE filter with PP housing does not liberate any UV-detectable substances during filtration of 5 mL THF, although PP shows only limited resistance towards THF. |
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| Solvent | Material | ||||||||||
| MV | CA | RC | PA | PTFE | H-PTFE | PVDF | PES | PET | GF | PP | |
| Acetaldehyde | – | – | o | o | |||||||
| Acetic acid, 100 % | – | – | – | – | |||||||
| Acetone | – | – | – | – | |||||||
| Acetonitrile | – | – | |||||||||
| Ammonia, 25 % | – | – | o | – | o | ||||||
| Benzene | o | o | |||||||||
| n-Butanol | o | ||||||||||
| Cyclohexane | o | ||||||||||
| Dichloromethane | – | – | – | – | |||||||
| Diethyl ether | o | o | o | ||||||||
| Dimethylformamide | – | – | o | – | – | ||||||
| 1,4-Dioxane | – | – | o | – | o | ||||||
| Ethanol | – | ||||||||||
| Ethyl acetate | – | – | o | ||||||||
| Ethylene glycol | o | o | |||||||||
| Formic acid, 100 % | – | o | – | o | |||||||
| Hydrochloric acid, 30 % | – | – | – | – | – | ||||||
| Methanol | – | – | |||||||||
| Nitric acid, 65 % | – | – | – | – | o | o | o | o | – | ||
| Oxalic acid, 10 % aqueous | – | – | |||||||||
| Petroleum ether | |||||||||||
| Phosphoric acid, 80 % | – | – | o | – | o | ||||||
| ไฟล์ที่เกี่ยวข้องกับผลิตภัณฑ์ | |||||||||||
