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CHROMAFIL® PTFE |
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syringe filters with membrane from polytetrafluoroethylene |
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Features |
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hydrophobic membrane |
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for nonpolar liquids and gases |
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very resistant towards all kinds of solvents as well as acids and bases
flushing with alcohol, followed by water, makes the originally hydrophobic membrane more hydrophilic |
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Click here for chemical resistance |
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Ordering information · CHROMAFIL® Xtra |
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PTFE syringe filters labeled for method validation and certification |
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Type |
Pore size |
Membrane |
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Filters |
REF |
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[µm] |
dia. [mm] |
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per pack |
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PTFE-20/25 |
0.20 |
25 |
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100 |
729207 |
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400 |
729207.400 |
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PTFE-45/25 |
0.45 |
25 |
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100 |
729205 |
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400 |
729205.400 |
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PTFE-100/25 |
1.0 |
25 |
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100 |
729247 |
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400 |
729247.400 |
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Ordering information · CHROMAFIL® |
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color-coded PTFE syringe filters |
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Type |
Pore size |
Membrane |
Color code |
Filters |
REF |
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[µm] |
diam. [mm] |
top |
bottom |
per pack |
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O-20/3 |
0.20 |
3 |
colorless |
colorless |
100 |
729014 |
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O-45/3 |
0.45 |
3 |
colorless |
colorless |
100 |
729015 |
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O-20/15 MS |
0.20 |
15 |
yellow |
colorless |
100 |
729008 |
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800 |
729008.800 |
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O-45/15 MS |
0.45 |
15 |
colorless |
colorless |
100 |
729009 |
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800 |
729009.800 |
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O-20/25 |
0.20 |
25 |
yellow |
colorless |
100 |
729007 |
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400 |
729007.400 |
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PTFE filters with 0.45 µm pores and 25 mm diameter see above |
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MS = minispike on filter exit |
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