Electrothermal Atomic Absorption Spectrometric Determination of Nickel after its Flotation Enrichment by Iron(III) Hexamethylenedithiocarbamate

Authors : Trajce STAFILOV, Gorica PAVLOVSKA and Katarina CUNDEVA

Pages : 303-310

View : 16 | Download : 7

Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :Abstract. Nanogram quantities of nickel were removed from 1 L samples of dilute aqueous solutions by coflotation. A mixture of hydrated ironinsert ignore into journalissuearticles values(III); oxide insert ignore into journalissuearticles values(Fe2O3\insert ignore into journalissuearticles values( \cdot \);xH2O); and ironinsert ignore into journalissuearticles values(III); hexamethylene-dithiocarbamate insert ignore into journalissuearticles values(Feinsert ignore into journalissuearticles values(HMDTC);3); served as collectors. After flotation separation from the mother liquor, the solid sublate containing nickel traces was dissolved and the analyte was determined by electrothermal atomic absorption spectrometry insert ignore into journalissuearticles values(ETAAS);. All important parameters necessary for the successful collection of nickel were checked. The results of nickel ETAAS analysis in tap and spring waters were compared with inductively coupled plasma-atomic emis-sion spectrometric measurements insert ignore into journalissuearticles values(ICP-AES);. The limit detection of nickel by the ETAAS method is 0.0078 insert ignore into journalissuearticles values( m );g/L.
Keywords : Nickel, preconcentration, colloid precipitate flotation, iron III, hexamethylenedithiocar bamate, collector, water, atomic absorption spectrometric determination