อุปกรณ์กรอง Syringe Filter CHROMAFIL MV
| CHROMAFIL® MV |
|
| Syringe filters with membrane of cellulose mixed esters |
|
| Features |
- Hydrophilic membrane with very low adsorption
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Ordering information · CHROMAFIL® Xtra
Cellulose mixed ester 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 |
| MV-20/25 |
0.20 |
25 |
labeled |
100 |
729206 |
400 |
729206.400 |
| MV-45/25 |
0.45 |
25 |
labeled |
100 |
729204 |
400 |
729204.400 |
| |
Ordering information · CHROMAFIL®
Color-coded cellulose mixed ester syringe filters
| Type |
Pore size |
Membrane |
Color code |
Standard pack |
BIG-BOX |
| |
[µm] |
dia. [mm] |
top |
bottom |
Filters/pack |
REF |
Filters/pack |
REF |
| A-20/25 |
0.20 |
25 |
yellow |
yellow |
100 |
729006 |
400 |
729006.400 |
| A-45/25 |
0.45 |
25 |
colorless |
yellow |
100 |
729004 |
400 |
729004.400 |
|
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. |
| 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 |
– |
|
|
|
|
|
|
|
|
|
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| Ethyl acetate |
– |
– |
|
|
|
|
|
|
|
|
o |
| Ethylene glycol |
o |
o |
|
|
|
|
|
|
|
|
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| Formic acid, 100 % |
|
– |
o |
– |
|
|
|
|
o |
|
|
| Hydrochloric acid, 30 % |
– |
– |
– |
– |
|
|
|
|
– |
|
|
| Methanol |
– |
– |
|
|
|
|
|
|
|
|
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| Nitric acid, 65 % |
– |
– |
– |
– |
o |
o |
o |
|
o |
|
– |
| Oxalic acid, 10 % aqueous |
|
– |
|
– |
|
|
|
|
|
|
|
| Petroleum ether |
|
|
|
|
|
|
|
|
|
|
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| Phosphoric acid, 80 % |
– |
– |
o |
– |
|
|
o |
|
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