[Speciation of iron using capillary electrophoresis inductively coupled plasma atomic emission spectrometry].
The separation of iron species, e. g. Fe2+ -Fe3+, Fe2+ -Fe(phen)3(2+), and Fe2+ -Fe3+, by mixing with complexing reagents of o-phenanthroline and EDTA, and Fe2+ -Fe3+ with o-phenanthroline was developed by capillary electrophoresis inductively coupled plasma atomic emission spectronetry (CE-ICP-AES). The effects of electrophoresis conditions such as voltage, buffer solution pH, and complex concentration on iron species are discussed. Satisfactory separation conditions for iron speciation have been acquired. Cations and anions, containing complexing agents, do not interfere in the separation of iron species. The method has advantage to CE-UV.
College of Chemistry and Chemical Engineering, Guangxi Normal University, Guilin 541004, China.
Bi-yang
BY
Deng
Chu-jie
CJ
Zeng
Wing-tat
WT
Chan