Syringe Filters
SYRINGE FILTERS
As chromatography has become more sophisticated with smaller dimensions and higher pressures, minimizing particulates has become more important. Our HPLC syringe filters have been designed to minimize the buildup of particles during analysis. This helps minimize the possibility of instrument failure or shutdown while also maximizing your uptime. Regardless of the application, the potential of encountering such problems can be significantly reduced by utilizing the best HPLC syringe filters for the job. We carry syringe filters made of nylon, glass fiber, polypropylene (PP), polyethersulfone (PES), PVDF, polytetrafluoroethylene (PTFE), cellulose acetate, and more.
- HPLC Syringe Filters available in two sizes: 13 mm and 30 mm
- Two pore sizes: 0.2 µm and 0.45 µm
- Glass Fiber syringe filters available in 1.2 and 0.7 µm
- Available in 7 color-coded membranes
For more information on how to choose, refer to our blog: https://www.chromtech.com/how-to-choose-a-syringe-filter or contact Chrom Tech at support@chromtech.com for a quote.
Any of the available membranes can also be purchased as sheets.
| Membrane Type | Hydrophilic / Hydrophobic | Compatible Solvents | Best For | Limitations |
|---|---|---|---|---|
| Nylon | Hydrophilic | Aqueous + most organics | General lab use, HPLC sample prep | Not suitable for strong acids/bases |
| PTFE | Hydrophobic | Aggressive organics, strong acids/bases, gases | Organic solvents, chemically resistant applications | Requires pre-wetting for aqueous samples |
| PVDF | Hydrophilic or Hydrophobic (depending on type) | Aqueous + organic solvents | Protein recovery, biological samples | Lower chemical resistance than PTFE |
| PES (Polyethersulfone) | Hydrophilic | Aqueous solutions, biological fluids | Fast flow rates, cell culture media, low protein binding | Not ideal for strong solvents or aggressive organics |
| Polypropylene (PP) | Hydrophobic | Wide pH range, aqueous + organic solvents | Chemical resistance, low extractables | Lower flow rates than PES or Nylon |
| Cellulose Acetate (CA) | Hydrophilic | Aqueous solutions | Low protein binding, tissue culture media, enzyme filtration | Limited solvent compatibility, not for aggressive organics |
| Glass Fiber (GF) | Hydrophilic | Compatible with aqueous + organic mixtures | Pre-filtration of viscous or particulate-heavy samples, extended filter life | Not designed for final particle-free filtration; often used with another membrane |
| Typical Applications by Industry: • Pharmaceutical – Sample clarification before HPLC/UPLC • Environmental – Water and soil extract filtration • Food & Beverage – Quality testing of additives, sugars, and residues • Biotech / Clinical – Protein assays, enzyme solutions, tissue culture media • Chemical – Filtration of solvents, reaction mixtures, and QC samples |
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