Determination of divalent trace metals in natural waters by preconcentration on N,N,N′,N′-tetra(2-aminoethyl)ethylenediamine-silica followed by on-line ion chromatography

Determination of trace metals in natural

Determination of trace metals in natural waters by flame atomic absorption spectrometry following on-line ion-exchange preconcentration

✍ M.C. Yebra-Biurrun; A. Bermejo-Barrera; M.P. Bermejo-Barrera; M.C. Barciela-Alon 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 468 KB

## An on-line column preconcentration technique for flow-injection flame atomic absorption spectrometry has been developed for the determination of trace metals in natural waters. A minicolumn (20 mm X 2 mm id.) filled with a poly(aminophosphonic acid) chelating resin (PAPhA, 20-30 mesh) was used