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Applied Spectroscopy

Applied Spectroscopy

| PUBLISHED BY SAS — AVAILABLE FROM SAS AND OSA

  • Vol. 23, Iss. 4 — Jul. 1, 1969
  • pp: 349–353

Use of a High Current dc Arc for Trace Element Spectrographic Analysis of Ashed Biological Materials

G. H. Morrison, R. K. Skogerboe, A. J. Bedrosian, and A. M. Rothenberg

Applied Spectroscopy, Vol. 23, Issue 4, pp. 349-353 (1969)


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Abstract

The advantages that can be realized through the use of a high current dc arc for the emission spectrographic analysis of ashed biological materials are presented. The method described utilizes 5–10 mg of ash per analysis and provides detection limits between 1 and 50 parts per billion (on the original dry weight basis) for a large number of elements. The precision estimates of the method, based on four replicate analyses, are generally better than ±20% and comparative analyses suggest that the accuracies are within these limits. Data is presented which supports the possibility of using a single analytical curve for several different types of ashed biological materials.

Citation
G. H. Morrison, R. K. Skogerboe, A. J. Bedrosian, and A. M. Rothenberg, "Use of a High Current dc Arc for Trace Element Spectrographic Analysis of Ashed Biological Materials," Appl. Spectrosc. 23, 349-353 (1969)
http://www.opticsinfobase.org/as/abstract.cfm?URI=as-23-4-349

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