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Typically, the first step in selecting a suitable filter is to choose a membrane that is chemically compatible with the sample (see table below for a full selection of mebranes). For aqueous samples, it is preferable to use a hydrophilic membrane (wwPTFE, PVDF, or Nylon) versus a
The pores of an HPLC syringe filter will typically be 0.2, 0.22, or 0.45 µm in size. Syringe filters utilize different polymer membranes depending on the intended application; hydrophilic materials like nylon, MCE, and PES should be used for purifying oils or alcohol, whereas hydrophobic membranes like PTFE-B or PVDF are best applied to organic solvents, gases, or vapors.
We break the process down into a number of steps to help simplify selection. 1. Match pore size with your application. Most types of syringe filters come in a selection of pore sizes. Ensuring the pore size is suitable for your application is highly important to ensure it functions as you desire.
Use PTFE material and 0.22 um filters if possible. Avoid PVDF and cellulosic materials. Also, centrifuge prior to filtering at high speed. Thanks,
Millipore LCR (Hydrophilic PTFE) with Glass Fiber Pre-filter 0.45 LCR 100 mL 50 SLCRM25NS 1000 SLCRM25NK 0.2 0 LG 100 mL 50 SLLGM25NS 1000 SLLGM25NK Durapore (PVDF) Membrane and Glass Fiber Pre-filter 0.45 HV 100 mL 50
the column, Whatman syringe filters allow unim-peded flow. Without particulates to create obstruc-tions, your column will work more efficiently and last longer. In addition to HPLC, syringe filters have a multitude of other applications. A syringe filter adds a few
22/2/2021 · 10-100x HPLC PTFE Syringe Filter, 25mm Diameter, 0.22 um Pore Size, Hydrophobic. Disposable: HPLC Syringe Filters are typically used for clarification, sterile filtration, sample preparation, sterile venting and medical applications. All the syringe filters are certified by HPLC Extractable Test.
Hold the syringe with the filter pointing up and “top off” by pushing a few drops through the filter. Place the filter tip over the collection container and push the sample through a syringe filter by applying gentle positive pressure.
Hawach hydrophilic PTFE syringe filters clean small volumes for HPLC or GC applications. pore size: 0.22/0.45 um. Enter to get the best offer.
Comprising a polypropylene barrel and polyethylene plunger, these syringes eliminate problems with rubber or synthetic plunger gaskets and requires no silicone or oil lubricant in the barrel. Choose from in 1, 3, 5, 10, 20, 30, and 50 mL sizes. Syringes for Syringe Filters. Workflow product selector.
Choosing a filter does not have to be complicated – Corning has simplified the process. Just follow these four easy steps: Step 1: Match your application with the appropriate pore size. Step 2: Select the membrane and housing material for your application.
Minisart® SRP25 Syringe Filter 17576----------K, 0.45 µm hydrophobic PTFE. Minisart ® SRP with chemically inert hydrophobic PTFE is suitable for venting as well as harsh solvents with a pH of 1 - 14. Type 17576 with a pore size of 0.45 µm can be used for sample preparation. It has a male luer slip outlet.
The syringe filter area, and other specifications, are readily available at www.sterlitech.com. Please go to the product page for your syringe filter and click the “Application/Specification” tab near the middle of the page. You can read the filter area from this tab