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Updated: Aug 25, 2026

Quantification of Metal Leaching in Immobilized Metal Affinity Chromatography
Published on: January 17, 2020
Indirect flame atomic absorption detection for the liquid chromatographic separation of alkaline metals
P Viñas1, N Campillo, I L García
1Department of Analytical Chemistry, Faculty of Chemistry, University of Murcia, E-30071, Murcia, Spain.
Abstract:
Alkaline metals and ammonium ion are separated by cationic exchange liquid chromatography using a 60 microg ml(-1) aqueous copper solution as the mobile phase at 1.5 ml min(-1). Detection is carried out by measuring copper with an atomic absorption spectrometer directly interfaced to the chromatograph. A simple T-piece is used to compensate the difference between the nebulizer uptake rate and the chromatographic flow-rate with air. The method is applicable to the analysis of alkaline metals and ammonium in waters. Average recovery ( n = 16) was 100.3 +/- 4.0%.
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