Syringe filters: what are they used for? All you need to know Kumar Jeetendra | March 17, 2023 A syringe filter is a filtering membrane housed in a plastic housing. Either the fluid to be purified can be drawn up the syringe and filtered, or the unfiltered fluid can be pushed through the filter. When analysing a sample with High-Performance Liquid Chromatography (HPLC), Ion chromatography (IC), Gas chromatography (GC), or Inductively Coupled Plasma …