อุปกรณ์กรอง Syringe Filter CHROMAFIL GF
| CHROMAFIL® GF |
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| Syringe filters with glass fiber membrane |
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Features |
- Inert filter, nominal pore size 1 µm, allows higher flow rates than small pore filters
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Ordering information · CHROMAFIL® Xtra
Glass fiber syringe filters labeled for method validation and certification
| 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 |
729228.400 |
| |
Ordering information · CHROMAFIL®
Color-coded glass fiber syringe filters
| 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 |
729034.800 |
| GF-100/25 |
nominal 1.0 |
25 |
yellow |
black |
100 |
729028 |
400 |
729028.400 |
| MS = minispike on filter exit |
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CHROMAFIL® filter membranes |
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| Chemical compatibility of filter materials |
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| 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. |
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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. |
<tr valign=”mid
| Solvent |
Material |
| |
MV |
CA |
RC |
PA |
PTFE |
H-PTFE |
PVDF |
PES |
PET |
GF |
PP |
| Acetaldehyde |
– |
– |
 |
o |
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o |
| Acetic acid, 100 % |
– |
– |
– |
– |
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| Acetone |
– |
– |
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– |
– |
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| Acetonitrile |
– |
– |
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| Ammonia, 25 % |
– |
– |
o |
– |
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|
o |
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| Benzene |
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o |
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o |
| n-Butanol |
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o |
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| Cyclohexane |
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|
o |
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| Dichloromethane |
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– |
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– |
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– |
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– |
| Diethyl ether |
o |
o |
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|
o |
| Dimethylformamide |
– |
– |
o |
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– |
– |
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| 1,4-Dioxane |
– |
– |
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|
o |
– |
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o |
| Ethanol |
– |
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| Ethyl acetate |
– |
– |
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o |
| Ethylene glycol |
o |
o |
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| Formic acid, 100 % |
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– |
o |
– |
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o |
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| Hydrochloric acid, 30 % |
– |
– |
– |
– |
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– |
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| Methanol |
– |
– |
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| Nitric acid, 65 % |
– |
– |
– |
– |
o |
o |
o |
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o |
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– |
| Oxalic acid, 10 % aqueous |
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– |
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– |
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| Petroleum ether |
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| Phosphoric acid, 80 % |
– |
– |
o |
– |
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o |
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