Acoustically Driven Device for Introducing Solid Samples into an Inductively Coupled Plasma

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A device is described that couples acoustic energy into powdered solid samples to facilitate their transport into an inductively coupled plasma. The system, entitled a sonic suspension device, is inexpensive and simple to build. In an experiment to illustrate its performance, calcium carbonate in a graphite matrix was introduced into an ICP; it offered moderate precision (relative standard deviation of 5% without the use of an internal standard) and acceptable sample-introduction efficiency.

Keywords: Atomic absorption spectroscopy; Emission spectroscopy; Flame atomic fluorescence spectroscopy; Flame spectroscopy; Instrumentation, emission spectroscopy; Instrumentation, sample introduction; Spectroscopic techniques

Document Type: Research Article


Affiliations: Department of Chemistry, Indiana University, Bloomington, Indiana 47405

Publication date: October 1, 1992

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