Authors: Fraley, David M.¹; Yates, Dennis A.¹; Manahan, Stanley E.¹; Stalling, David²; Petty, James²

Source: Applied Spectroscopy, Volume 35, Issue 6, Pages 525-611 (November/December 1981) , pp. 525-531(7)

Publisher: Society for Applied Spectroscopy

Abstract:

ICP-AES was used for the simultaneous multiple element detection of trace metals species separated by high-pressure liquid chromatography (HPLC). The technique is demonstrated for the determination of nitrilotriacetic acid (NTA) and ethylenediaminetetraacetic acid (EDTA) chelates of copper, zinc, calcium, and magnesium. Multi-element chromatograms were obtained using a 32-channel polychromator programmed to perform a series of time-resolved intensity integrations. Data were retrieved channel-by-channel and plotted in histographic form. Comparison with UV absorbance and single-channel ICP-AES tracings reveals that the histograms reflect reliable chromatographic data. Linearity and precision of the system were found to be good in the 20 to 2000 ng range.

Keywords: Emission spectroscopy; Instrumentation-emission spectroscopy; Methods, analytical; Inductively coupled plasma; High-pressure liquid chromatography; Trace metals speciation

Document Type: Research article

DOI: http://dx.doi.org/10.1366/0003702814732111

Affiliations: 1: Environmental Trace Substances Research Center and Department of Chemistry, University of Missouri, Columbia, Missouri 65201 2: Columbia National Fisheries Research Laboratory, United States Department of the Interior, Route 1, Columbia, Missouri 65201

Publication date: 1981-11-01

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