Ion exchange in flow injection analysis: Determination of Ammonium Ions at the μg 1-1 level in Natural Waters with Pulsed Nessler Reagent

Flow-injection determination of low leve

Flow-injection determination of low levels of ammonium ions in natural waters employing preconcentration with a cation-exchange resin

✍ Menezes Santos Filha Marina; Boaventura Freire dos Reis; Henrique Bergamin Fo.; 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 457 KB

Ammonmm eons m natural waters at the 50 pg I-' level were determmed usmg Nessler reagent after preconcentratlon m a cation-exchange column coupled to a flow-inJectIon analysis (FIA) system The loadmg cycle, the elutlon cycle and the regeneration cycle were programmed for the resm used The zone samph