NDLI: Elemental Speciation by Capillary Electrophoresis with Inductively Coupled Plasma Spectrometry : a New Approach by Flow Focusing ® Nebulization

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Elemental Speciation by Capillary Electrophoresis with Inductively Coupled Plasma Spectrometry : a New Approach by Flow Focusing ® Nebulization

Content Provider	Semantic Scholar
Author	Kovachev, Nikolay Aguirre, Miguel Ángel Hidalgo, Montserrat Stefanova, Violeta M. Kmetov, Veselin Canals, Antonio
Copyright Year	2014
Abstract	A novel system for Capillary Electrophoresis (CE) and Inductively Coupled Plasma (ICP) sample introduction that incorporates a dedicated Flow-Focusing ® based nebulizer as aerosol generation unit is presented, aiming to provide high signal sensitivity and low detection limits for element speciation at short analysis times. To prove its viability, the system prototype constructed has been coupled to an inductively coupled plasma optical emission spectrometer (ICP-OES) and an inductively coupled plasma mass spectrometer (ICP-MS) for Cr(III) and Cr(VI) speciation. Separation nebulization system and operation parameters (i.e., capillary length, nebulizer geometry, carrier flow, carrier ionic strength, separation potential and sample injection volume) have been considered and studied, and the analytical figures of merit obtained for model samples in ICP-MS are presented. The results obtained show that the developed instrumental system permits Cr speciation in less than two minutes with detection limits of 0.1, 0.2 and 0.03 μg/L for Cr(III), Cr(VI) and total Cr, respectively.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://rua.ua.es/dspace/bitstream/10045/38379/1/2014_Kovachev_etal_MJ.pdf
Language	English
Access Restriction	Open
Subject Keyword	Aerosol Dose Form Chromium Electrophoresis Electrophoresis, Capillary Elemental Inductively-Coupled Plasma Mass Spectrometry Ionic Strength License Mass Spectrometers (device) Nebulization Nebulizers Novell Open Enterprise Server Plasma Active Positron-Emission Tomography Prototype Soldering
Content Type	Text
Resource Type	Article

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