SPARTAN 30 mm HPLC-Certified Syringe Filter, regenerated cellulose, 0.45 µm SPARTAN, HPLC certified syringe filter Ready-to-use filter unit with a hydrophilic, low protein-binding membrane made of regenerated cellulose. Excellent chemical resistance against the standard aqueous and organic HPLC solvents. SPARTAN Syringe Filters are tested and certified for the absence of UV-absorbing substances at wavelengths of 210 and 254 nm with water, methanol, and acetonitrile. Versatile: Use for any application requiring a chemically resistant, hydrophilic, low protein-binding membrane. Documented batch-to-batch quality and consistency ensure reproducible results. SPARTAN Syringe Filters ensure reproducible results from the filtration of organic and aqueous solutions in HPLC. For batch-to-batch consistency, the SPARTAN range of filters are tested and certified for the absence of UV-absorbing substances at wavelengths of 210 and 254 nm with water, methanol, and acetonitrile..