Interface for the coupling of capillary electrophoresis and inductively coupled plasma mass spectrometry

The coupling of capillary electrophoresis and inductively coupled plasma (ICP) mass spectrometry is described using a new direct injection nebulizer designed for liquid flow-rates of 1–15 μl min −1 (aqueous solutions). The liquid flow-rate working range was found to depend on the nebulizer design. A...

Full description

Saved in:
Bibliographic Details
Published in:Journal of Chromatography A 1998-11, Vol.826 (1), p.87-94
Main Authors: Tangen, Anders, Lund, Walter, Josefsson, Bjørn, Borg, Hans
Format: Article
Language:English
Subjects:
Alkali metals
Alkaline earth metals
Analytical chemistry
Chemistry
Chromatographic methods and physical methods associated with chromatography
Chromium
Exact sciences and technology
Metals
Other chromatographic methods
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The coupling of capillary electrophoresis and inductively coupled plasma (ICP) mass spectrometry is described using a new direct injection nebulizer designed for liquid flow-rates of 1–15 μl min −1 (aqueous solutions). The liquid flow-rate working range was found to depend on the nebulizer design. An extra flow of electrolyte was used to complete the electrical circuit. This design was found to work better than the conductive paint and crack hole designs. The CE–ICP-MS system was tested by analysing mixtures of alkali/alkaline earth metals and Cr(III)/Cr(VI), using electrokinetic injection. With ICP-MS detection an optimal internal standard, with the same electrophoretic mobility as the analyte, can be used.
ISSN:0021-9673
DOI:10.1016/S0021-9673(98)00708-0