On-Line Multielement Preconcentration and Inductively Coupled Plasma Atomic Emission Spectrometric Determination of Transition Metals Using a Flow Injection Hydraulic High-Pressure Nebulization-Desolvation Sample Introduction System

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Abstract

A method was developed for simultaneous preconcentration and on-line determination of 15 transition metals (Ag, Au, Cd, Cr, Cu, Fe, In, Ni, Pb, Pd, Pt, Ti, Tl, V, Zn). A polyetherether-ketone (PEEK) loop as preconcentration unit introduced by us earlier was used for the multielement flow injection (FI) preconcentration of transition metal-pyrrolidinedithiocarbamate complexes. The preconcentrated complexes were eluted with isobutylmethyl ketone and introduced into the inductively coupled plasma with a hydraulic high-pressure nebulizer (HHPN) and desolvation unit. The desolvation system, the use of which was necessary for aerosol of isobutylmethyl ketone eluant, was optimized. The enrichment factors of the 15 transition metals were 14-67 due to 2 min of preconcentration time.

Original languageEnglish
Pages (from-to)245-250
Number of pages6
JournalMicrochemical Journal
Volume58
Issue number3
DOIs
Publication statusPublished - Mar 1998

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy

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