RASAYAN Syringe Filters PVDF Membrane Diameter 25mm, Pore Size 0.22μm Diameter, Pack of 100

Syringe filters are single-use, membrane-based devices used for the removal of particulate impurities from liquid and gas samples prior to analysis by methods such as HPLC, ion chromatography, gas chromatography, ICP, and dissolution testing. Proper filtration of samples improves the quality and consistency of analytical results and decreases instrument downtime. Here are the general steps to use it: Select the appropriate syringe filter for your sample based on the chemical compatibility of the filter material and the properties of the sample. Fix the filter securely with a twisting motion. With a Luer Slip syringe, this is about a quarter turn when the filter is pushed in. If the syringe has a luer lock, attach it firmly but do not overtighten. Load the sample into the syringe. The sample volume should not exceed the recommended capacity of the syringe filter. Hold the assembled syringe and filter vertically to evenly wet the membrane (this promotes high flow rates). Gently depress the plunger of the syringe to push the sample through the filter. If possible discard the first 0.25-0.5ml of sample as if there is contamination present it is likely to be higher in those first microliters of sample. If the back pressure increases significantly, change the filter as it may have become clogged. Avoid pressing too hard as this may cause the filter housing to burst. Collect the filtered sample in a clean container. The filtrate can be used for further analysis or processing.