{"product_id":"whatman-gd-xp-ptfe-syringe-filters-w-prefilter-non-sterile","title":"Whatman GD\/XP PTFE Syringe Filters w\/Prefilter Non-Sterile","description":"\u003cdiv\u003e\n\u003cp\u003eThe Whatman™ GD\/XP non-sterile polytetrafluoroethylene (PTFE)  membrane syringe filters are designed to prepare and enhance the inorganic ion analysis of hard-to-filter samples greater than 10 mL. Each unit contains a prefiltration stack of polypropylene prefilters and PTFE membrane.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul class=\"cui-list cui-list--bullet\"\u003e\n\u003cli\u003eIncrease flow rates and reduce blockage as a result of the two layer prefilter stack\u003c\/li\u003e\n\u003cli\u003eEliminate sample contamination\u003c\/li\u003e\n\u003cli\u003eRequires less hand pressure, even for samples with a high level of particulates\u003c\/li\u003e\n\u003cli\u003eProcess three to seven times more sample volume\u003c\/li\u003e\n\u003cli\u003eReduce costly exchanges with extended filter life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHPLC sample preparation\u003c\/li\u003e\n\u003cli\u003eTrace metal analysis\u003c\/li\u003e\n\u003cli\u003eSample preparation prior to dissolved heavy metal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePolytetrafluoroethylene (PTFE) Membrane considerations\u003c\/h2\u003e\n\u003cp\u003ePolytetrafluoroethylene membrane is hydrophobic and will not allow water to pass without high pressures. Aqueous solutions may be filtered if the membrane is initially “wetted” with alcohol or another appropriate solvent. Polytetrafluoroethylene membrane will stop aqueous aerosols in gas streams.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"-spacing--bottom-24\"\u003e\n\u003ch2\u003eISCC+ certified Biobased polypropylene housing (25mm devices):\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e100% Biobased plastic resin.\u003c\/li\u003e\n\u003cli\u003eBiobased plastic resin is ISCC Plus certified using Mass Balance approach.\u003c\/li\u003e\n\u003cli\u003eThe polypropylene accounts for 95% of the weight\/composition of the syringe filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"DSCBalances","offers":[{"title":"6974-2504","offer_id":36822654746774,"sku":"6974-2504","price":648.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0489\/6990\/8374\/products\/AssetStream_65cbd0a1-f370-46f0-b676-a1d0beebcac0.jpg?v=1634991208","url":"https:\/\/www.dscbalances.com\/products\/whatman-gd-xp-ptfe-syringe-filters-w-prefilter-non-sterile","provider":"DSCBalances","version":"1.0","type":"link"}