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TitleICP emission spectroscopy with ultrasonic nebulization-application to waters and soils
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AuthorNygaard, D D; Bulman, F; Alavosus, T
SourceGEOANALYSIS 90, an international symposium on the analysis of geological materials; by Hall, G E M (ed.); Geological Survey of Canada, Bulletin 451, 1993 p. 50, (Open Access)
PublisherNatural Resources Canada
MeetingGEOANALYSIS 90; Huntsville, Ontario; CA; June 3-7 1990
Mediapaper; on-line; digital
RelatedThis publication is contained in Hall, G E M; (1993). GEOANALYSIS 90, an international symposium on the analysis of geological materials, Geological Survey of Canada, Bulletin no. 451
File formatpdf
Subjectsgeochemistry; analytical methods; water geochemistry; chemical analysis; soil geochemistry; inductively coupled plasma emission spectrometry; ultrasonic nebulization
Released1994 01 01
AbstractUltrasonic nebulization has been applied primarily to the analysis of relatively clean waters for purposes of environmental monitoring. In this application, it improves ICP detection limits by approximately an order of magnitude. In addition, accuracy and long term stability of the technique have been shown to be sufficient to meet quality control requirements such as those employed by the U.S. EPA Contract Laboratory Program. However, performance of ultrasonic nebulization is suspect on more complex samples. It is reputed to be more strongly affected by matrix variation than standard pneumatic nebulizers, and memory effects are reportedly more severe. This paper explores the possibility of expanding ultrasonic nebulization into soils analysis. It includes a systematic study of the effects caused by matrix elements and by acids used in sample preparations. Sensitivity enhancement is examined as a function of sample matrix, and memory effects are quantified.