อุปกรณ์กรอง Syringe Filter CHROMAFIL RC
| CHROMAFIL® RC |
|
| Syringe filters with membrane of regenerated cellulose |
|
| Features |
| Hydrophilic membrane with very low adsorption |
|
 For aqueous and organic – aqueous liquids, i.e. polar and medium polar sample solutions
|
|
Binding capacity for proteins 84 µg per 25 mm filter
|
|
Ordering information · CHROMAFIL® Xtra
Regenerated cellulose 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 |
| RC-20/25 |
0.20 |
25 |
labeled |
100 |
729230 |
400 |
729230.400 |
| RC-45/25 |
0.45 |
25 |
labeled |
100 |
729231 |
400 |
729231.400 |
| |
Ordering information · CHROMAFIL®
Color-coded regenerated cellulose syringe filters
| Type |
Pore size |
Membrane |
Color code |
Standard pack |
BIG-BOX |
| |
[µm] |
dia. [mm] |
top |
bottom |
Filters/pack |
REF |
Filters/pack |
REF |
| RC-20/15 MS |
0.20 |
15 |
yellow |
blue |
100 |
729036 |
800 |
729036.800 |
| RC-45/15 MS |
0.45 |
15 |
colorless |
blue |
100 |
729037 |
800 |
729037.800 |
| RC-20/25 |
0.20 |
25 |
yellow |
blue |
100 |
729030 |
400 |
729030.400 |
| RC-45/25 |
0.45 |
25 |
colorless |
blue |
100 |
729031 |
400 |
729031.400 |
| 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. |
| 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 |
|
– |
|
– |
|
|
|
|
|
|
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| Petroleum ether |
|
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