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Evaluation of a Cooled Recirculating Nebulizer for Inductively Coupled Plasma Spectrometry

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A recirculating nebulizer was constructed with the use of standard spray chambers and nebulizers and can be used in both a recirculating and normal solution nebulization mode. The use of a jacketed cooled spray chamber reduces a concentration effect to less than a 2% increase over a 30-min period. Washout times were improved by eliminating memory sources and also by using a cooled mini spray chamber. This recirculating system is compatible with isotope ratio and isotope dilution analysis of small-volume samples. Good agreement was obtained between certified and experimental values for Pb in two standard reference materials.

Keywords: Emission spectroscopy; Mass spectroscopy

Document Type: Research Article


Affiliations: 1: Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221-0172 2: U.S. E.P.A., Martin Luther King Dr., Cincinnati, Ohio 45268 3: U.S. F.D.A., 1155 Central Parkway, Cincinnati, Ohio 45201

Publication date: May 1, 1990

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