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GPC Characterization of Nylon using Formic Acid for Reduced Cost per Analysis
26 Nov 2014In this application note the GPC analysis of nylon-6, nylon-6,6 and other soluble polyamides was carried out using formic acid as an effective, inexpensive, and safer alternative to mobile phases traditionally used for these polymers. The Viscotek TDA Triple Detection GPC System provides outstanding signal-to-noise ratios for the robust and precise analysis of nylons in formic acid.
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Size Exclusion ChromatographySize exclusion chromatography (SEC) is a liquid chromatographic technique used to separate and identify molecules based on their size, including polymers, proteins, nanoparticles & nucleic acid. SEC is further subdivided into gel filtration chromatography (GFC) and gel permeation chromatography (GPC) when an aqueous or organic mobile phase is used respectively. HPLC-based SEC systems and columns are available for analytical separation alongside SEC spin columns or filters to prep samples for many protocols. Find the best size exclusion chromatography equipment in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.PolymersPolymers are large molecules made up of many repeat units. Natural polymers such as DNA and proteins are essential to life, whereas synthetic polymers such as polystyrene and polyethylene are used widely due to their functionality. Typical techniques for analysis include GPC, SEC, DSC, FT-IR and NMR.