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Polymer inclusion membranes (PIMs) containing commercial dinonylnaphthalene sulfonic acid (DNNS) as the carrier were studied to ascertain their potential for use as the semi-permeable barrier in a passive sampler for the accumulation of ammonia. Extensive screening of membrane compositions using cellulose triacetate (CTA) and poly(vinyl chloride) (PVC) as the base polymers and different plasticizers/modifiers...
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