Letter | Published:

Simple Spectroscopic Method for Detection of Cations

Nature volume 212, pages 7172 (01 October 1966) | Download Citation

Subjects

Abstract

A COMMERCIALLY available spectroscope, the Duo-Spectranal model 80 (Fisher Scientific Co.), has been recommended for the rapid detection of more than sixty elements. This inexpensive instrument1 uses the combustion of hydrogen as an excitation source. The hydrogen is produced together with oxygen by electrolysis of an aqueous acid solution of the cations. Because the electrodes are connected to an a.c. power source, each is alternately a cathode and an anode. The hydrogen formed with the oxygen in the vicinity of the shorter electrode explodes in each current cycle.

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References

  1. 1.

    U.S. patents 3,024,693 and 3,045,533 issued to Dr. Duane D. Harmon and assigned to Fisher Scientific Co.

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Affiliations

  1. Department of Chemistry, University of Houston, Houston, Texas.

    • RAYMOND B. SEYMOUR
    •  & HING-SHYA E. TSANG

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DOI

https://doi.org/10.1038/212071b0

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