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Anotop Syringe Filters
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Home | Filtration Devices | Syringe Filters | Anotop Syringe Filters
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Anotop 10 
Anotop 25 
Anotop IC
Anotop™ syringe filters are a universal solution for numerous filtration applications. Anotop filters can be used with most organic solvents and aqueous materials, and they are suitable for sample volumes up to 100 ml. The distinctive hexagonal housing is manufactured from pigment-free polypropylene to eliminate sample contamination. No wetting agents or adhesives are used in the manufacturing process.
Anotop syringe filters contain the proprietary alumina based Anopore membrane and are supplied in three pore sizes. Glass microfiber prefilter versions are available for difficult-to-filter samples.
Anotop 10
Features
- 10 mm diameter syringe filter
- Inorganic membrane
- Capillary pore structure
Benefits
- Low protein binding
- Filters sample volume up to 10 ml
- Low hold-up volume < 20 µl ensures maximum sample recovery
- Sterile formats are available for critical applications
Anotop 10 Plus
The Anotop 10 Plus syringe filter offers the added benefit of an integral glass microfiber prefilter. This unit is designed to enable difficult and hard-to-filter solutions to be filtered without adversely affecting the filtration efficiency of the final membrane. This can eliminate the need for sample clean-up or expensive and time-consuming sequential filtration.
Applications
- Filtration of heavily particulate loaded samples prior to HPLC
- Removal of solids prior to UV/Vis analysis
Anotop 25
Features
- 25 mm diameter syringe filter
- Filters sample volume up to 100 ml
Applications
- Cold sterilization of growth media
- Phage and virus filtration
- Removal of high molecular weight proteins or polymers
- Liposome extrusion
- Filtration of solvents for spectroanalysis and analytical sample preparation
Anotop 25 Plus
The Anotop 25 Plus syringe filter offers the added benefit of an integral glass microfiber prefilter. This unit is designed to enable difficult and hard-to-filter solutions to be filtered without adversely affecting the filtration efficiency of the final membrane. This can eliminate the need for sample clean-up or expensive and time-consuming sequential filtration.
Applications
- Filtration of tissue culture media
- Clean-up of difficult samples
- Filtration of colloidal material
- Removal of mycoplasma
- HPLC sample preparation
- Biological sample preparation
Anotop IC
Whatman Anotop IC syringe filters are specifically designed for the preparation of samples for subsequent ion chromatography and HPLC analysis. These devices ensure very low levels of anion leaching for ion chromatography testing.
Features
- 10 mm diameter syringe filters
- 25 mm diameter syringe filters
- Each batch certified for IC
Benefits
- Enhanced consistency of analytical results
- Extended column life
- Certified and guaranteed low levels of anion leaching for improved results
Applications
- Ion chromatography sample preparation
- HPLC sample preparation
| Typical Data - Anotop Syringe Filters |
| |
Anotop 10
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Anotop 10 Plus
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Anotop 25
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Anotop 25 Plus
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| Housing |
Polypropylene |
Polypropylene |
Polypropylene |
Polypropylene |
| Filtration area |
0.78 cm2 |
0.78 cm2 |
4.78 cm2 |
4.78 cm2 |
| Maximum pressure |
6.9 bar (100 psi) |
6.9 bar (100 psi) |
6.9 bar (100 psi) |
6.9 bar (100 psi) |
| Volume ‘Hold-Up’ |
< 20 µl |
< 30 µl |
< 150 µl |
< 200 µl |
| Prefilter type |
N/A |
Glass Microfiber (binderless) |
N/A |
Glass Microfiber (binderless) |
| Membrane diameter |
10 mm |
10 mm |
25 mm |
25 mm |
| Membrane type |
Anopore |
Anopore |
Anopore |
Anopore |
| Average membrane thickness |
60 µm |
60 µm |
60 µm |
60 µm |
| Device width |
15.4 mm |
15.4 mm |
36.8 mm |
36.8 mm |
| Device length |
18.5 mm |
18.5 mm |
26.3 mm |
26.3 mm |
| Device shape |
Hexagonal |
Hexagonal |
Hexagonal |
Hexagonal |
| Construction process |
Thermal weld |
Thermal weld |
Thermal weld |
Thermal weld |
| Inlet connection |
Female luer lock |
Female luer lock |
Female luer lock |
Female luer lock |
| Outlet connection |
Male luer |
Male luer |
Male luer |
Male luer |
| Protein adsorption |
Low |
Medium/high |
Low |
Medium/high |
| Extractable materials |
Low |
Low |
Low |
Low |
| Cytotoxicity |
Non-cytotoxic |
Non-cytotoxic |
Non-cytotoxic |
Non-cytotoxic |
| Typical Data - Anotop Syringe Filters |
| |
Anotop 10 IC |
Anotop 25 IC |
| Housing |
Polypropylene |
Polypropylene |
| Filtration area |
0.78 cm2 |
4.78 cm2 |
| Maximum pressure |
6.9 bar (100 psi) |
6.9 bar (100 psi) |
| Volume ‘Hold-Up’ with air purge |
< 20 µl |
< 150 µl |
| Membrane diameter |
10 mm |
25 mm |
| Construction process |
Thermal weld |
Thermal weld |
| Extractable materials |
Negligible |
Negligible |
| Average membrane thickness |
60 µm |
60 µm |
| Device width |
15.4 mm |
36.8 mm |
| Device length |
18.5 mm |
26.3 mm |
| Inlet connection |
Female luer lock |
Female luer lock |
| Outlet connection |
Male luer |
Male luer |
| Membrane type |
Anopore |
Anopore |
| Typical Data - Anotop IC Syringe Filters |
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| Anion |
Level (ppb) |
| Fluoride |
< 10 |
| Chloride |
< 15 |
| Bromide |
< 20 |
| Sulfate |
< 30 |
| Phosphate |
< 75 |
| Nitrite |
< 30 |
| Nitrate |
< 30 |
Typical average anion leaching levels in 18 M/cm (Meg Ohm/) water at 20°C
| Ordering Information - Anotop Syringe Filters |
| Catalog Number |
Description |
| 6809-1002 |
Anotop 10 Syringe Filter, 0.02 µm, 50/pk |
| 6809-1012 |
Anotop 10 Syringe Filter, 0.1 µm, 50/pk |
| 6809-4002 |
Anotop 25 Syringe Filter Plus, 0.02 µm with glass microfiber prefilter, 50/pk |
| 6809-1022 |
Anotop 10 Syringe Filter, 0.2 µm, 50/pk |
| 6809-1102 |
Anotop 10 Syringe Filter, sterile 0.02 µm, 50/pk |
| 6809-1112 |
Anotop 10 Syringe Filter, sterile 0.1 µm, 50/pk |
| 6809-1122 |
Anotop 10 Syringe Filter, sterile 0.2 µm, 50/pk |
| 6809-2002 |
Anotop 25 Syringe Filter, 0.02 µm, 50/pk |
| 6809-2012 |
Anotop 25 Syringe Filter, 0.1 µm, 50/pk |
| 6809-2022 |
Anotop 25 Syringe Filter, 0.2 µm, 50/pk |
| 6809-2024 |
Anotop 25 Syringe Filter, 0.2 µm, 200/pk |
| 6809-2102 |
Anotop 25 Syringe Filter, sterile 0.02 µm, 50/pk |
| 6809-2112 |
Anotop 25 Syringe Filter, sterile 0.1 µm, 50/pk |
| 6809-2122 |
Anotop 25 Syringe Filter, sterile 0.2 µm, 50/pk |
| 6809-3002 |
Anotop 10 Syringe Filter Plus, 0.02 µm with glass microfiber prefilter, 50/pk |
| 6809-3012 |
Anotop 10 Syringe Filter Plus, 0.1 µm with glass microfiber prefilter, 50/pk |
| 6809-3022 |
Anotop 10 Syringe Filter Plus, 0.2 µm with glass microfiber prefilter, 50/pk |
| 6809-3102 |
Anotop 10 Syringe Filter Plus, Sterile 0.02 µm with glass microfiber prefilter, 50/pk |
| 6809-3112 |
Anotop 10 Syringe Filter Plus, Sterile 0.1 µm with glass microfiber prefilter, 50/pk |
| 6809-3122 |
Anotop 10 Syringe Filter Plus, Sterile 0.2 µm with glass microfiber prefilter, 50/pk |
| 6809-4012 |
Anotop 25 Syringe Filter Plus, 0.1 µm with glass microfiber prefilter, 50/pk |
| 6809-4022 |
Anotop 25 Syringe Filter Plus, 0.2 µm with glass microfiber prefilter, 50/pk |
| 6809-4024 |
Anotop 25 Syringe Filter Plus, Sterile 0.2 µm with glass microfiber prefilter, 200/pk |
| 6809-4102 |
Anotop 25 Syringe Filter Plus, Sterile 0.02 µm with glass microfiber prefilter, 50/pk |
| 6809-4112 |
Anotop 25 Syringe Filter Plus, Sterile 0.1 µm with glass microfiber prefilter, 50/pk |
| 6809-4122 |
Anotop 25 Syringe Filter Plus, Sterile 0.2 µm with glass microfiber prefilter, 50/pk |
| 6809-9232 |
Anotop 10 Syringe Filter IC, 0.2 µm, 50/pk |
| 6809-9233 |
Anotop 10 Syringe Filter IC, 0.2 µm, 100/pk |
| 6809-9234 |
Anotop 10 Syringe Filter IC, 0.2 µm, 200/pk |
| 6809-9235 |
Anotop 10 Syringe Filter IC, 0.2 µm, 250/pk |
| 6809-9244 |
Anotop 10 Syringe Filter IC, 0.2 µm, 250/pk |
| 2001-0100 |
Anotop 10 Syringe Filter LC, 0.2 µm, 100/pk |
| 2001-0200 |
Anotop 10 Syringe Filter LC, 0.2 µm, 200/pk |
| 2002-5100 |
Anotop 25 Syringe Filter LC, 0.2 µm, 100/pk |
| 2002-5200 |
Anotop 25 Syringe Filter LC, 0.2 µm, 200/pk |
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