Particulates can damage expensive equipment, valves, columns and pumps. They can also lead to erratic analytical results. Pre-filtering samples prior to analysis is critical in preventing column and frit blockage, undue wear on valve seals, and abnormally high operating pressures.
ProMax syringe filters are designed for economical, rapid filtration of almost any solution prior to analysis. The housing attaches to any standard Luer lock syringe, so the sample can be pushed through the membrane under pressure. The resulting eluent is free from particulates and ready for use in HPLC, GC or other analytical techniques.
ProMax syringe filters are available in a broad range of pore sizes and membrane types. All are non-sterile. Filters made with 13 mm or 25 mm membranes are suitable for use with samples of 1 mL or greater. All filters are available in CA, NY, PVDF, PES, GF or PTFE membranes.
◆ Applications
An inherently hydrophobic membrane that is good for filtration of organic-based, highly acidic or basic sample and solvents. Widely used for chromatography, and for clarification of non-aqueous samples. Although this membrane is hydrophobic, it can be made hydrophilic by wetting the membrane with alcohol and then flushing with de-ionized water
◆ ProMax Syringe Filters Specifications
| Diameter (mm) | 13 | 25 |
| Filter area (cm2) | 0.65 | 3.9 |
| Mass Capacity (mL) | 1-10 | 10-100 |
| Residual volume (µL) | <25 | <100 |
| Max pressure (psig) | 100 | 100 |
| Max temperature (ºC) | 50 | 50 |
| Material | Medical grade polypropylene; Standard Luer lock | |
◆ ProMax PTFE Syringe Filter Ordering Information
| Type | Pore Size (µm) |
Quantity | 13 mm 1 - 10 mL Sample Volume |
25 mm 10 - 100 mL Sample Volume |
| ProMax PTFE | 0.22 | 100pk | 37178 | 37185 |
| 0.45 | 100pk | 37182 | 37192 |
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