OSA's Digital Library

Applied Spectroscopy

Applied Spectroscopy

| PUBLISHED BY SAS — AVAILABLE FROM SAS AND OSA

  • Vol. 34, Iss. 2 — Mar. 1, 1980
  • pp: 194–200

The Determination of Trace Amounts of Selenium by Hydride Generation-Nondispersive Flame Atomic Fluorescence Spectrometry

Taketoshi Nakahara, Syoji Kobayashi, Tatsushi Wakisaka, and Sôichirô Musha

Applied Spectroscopy, Vol. 34, Issue 2, pp. 194-200 (1980)


View Full Text Article

Acrobat PDF (781 KB)





Browse Journals / Lookup Meetings

Browse by Journal and Year


   


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools

Share
Citations
  • Export Citation/Save Click for help

Abstract

A method has been developed for the determination of trace selenium by generation of its gaseous hydride using either metallic zinc or sodium borohydride as a reductant and followed by the introduction of the hydride into a premixed argon (entrained air)-hydrogen flame where all atomic fluorescence lines of selenium are simultaneously detected by use of a nondispersive system. The comparison of the zinc and the sodium borohydride reduction methods is discussed in terms of detection limit, precision, and interference. The best attainable detection limits for selenium are 0.3 ng (15 pg/ml) and 0.4 ng (20 pg/ml) with the zinc and sodium borohydride methods, respectively. Analytical calibration curves obtained by measuring peak heights and integrated peak areas of the fluorescence signals are linear over the range of approximately 4 orders of magnitude from the detection limits. Most mineral acids examined in the range up to 2.0 M do not interfere; however, the nitric acid is an exception which gives a depressing interference. The interference was found to be much more severe in the zinc method than in the sodium borohydride technique. The presence of several elements including other hydride-forming elements in 1000-fold ratio to selenium causes a depressing interference, whereas an enhancing interference from tellurium is observed only in the zinc reduction method. The present method has been successfully applied to the determination of selenium in wastewaters and foods.

Citation
Taketoshi Nakahara, Syoji Kobayashi, Tatsushi Wakisaka, and Sôichirô Musha, "The Determination of Trace Amounts of Selenium by Hydride Generation-Nondispersive Flame Atomic Fluorescence Spectrometry," Appl. Spectrosc. 34, 194-200 (1980)
http://www.opticsinfobase.org/as/abstract.cfm?URI=as-34-2-194


Sort:  Journal  |  Reset

References

References are not available for this paper.

Cited By

OSA is able to provide readers links to articles that cite this paper by participating in CrossRef's Cited-By Linking service. CrossRef includes content from more than 3000 publishers and societies. In addition to listing OSA journal articles that cite this paper, citing articles from other participating publishers will also be listed.

« Previous Article  |  Next Article »

OSA is a member of CrossRef.

CrossCheck Deposited