| http://www.w3.org/ns/prov#value | - Polymer materials such as polystyrene, polyethylene, and polysulfone are often chosen for the membrane matrix andManufacturerTradenameMaterialSpecial FeaturesLocationSolvayPerfluorinated film with fixed pyridine (anion-permeable) orFrance sulfonic acid (cation-permeable) FuMA-TechPolyetherketones, polysulfone, polyphenylene oxideGermany T okuyama SodaNeosepta??Styrene-divinyl benzeneRobust high me
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