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Hara M, Nomura N. Application of modified normal pulse polarography and its differential mode to alkaline-earth metal ions in acid solutions. Talanta. 1986;33(11):857-60doi: 10.1016/0039-9140(86)80212-0.
Hara, M., & Nomura, N. (1986). Application of modified normal pulse polarography and its differential mode to alkaline-earth metal ions in acid solutions. Talanta, 33(11), 857-60. https://doi.org/10.1016/0039-9140(86)80212-0
Hara, M, and Nomura, N. "Application of modified normal pulse polarography and its differential mode to alkaline-earth metal ions in acid solutions." Talanta vol. 33,11 (1986): 857-60. doi: https://doi.org/10.1016/0039-9140(86)80212-0
Hara M, Nomura N. Application of modified normal pulse polarography and its differential mode to alkaline-earth metal ions in acid solutions. Talanta. 1986 Nov;33(11):857-60. doi: 10.1016/0039-9140(86)80212-0. PMID: 18964215.
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Talanta. 1986 Nov;33(11):857-60. doi: 10.1016/0039-9140(86)80212-0.

Application of modified normal pulse polarography and its differential mode to alkaline-earth metal ions in acid solutions.

Talanta

M Hara, N Nomura

Affiliations

  1. Faculty of Education, Toyama University, Gofuku, Toyama 930, Japan.

PMID: 18964215 DOI: 10.1016/0039-9140(86)80212-0

Abstract

The simultaneous determination of alkaline-earth metal ions in acid solution was studied by modified normal pulse polarography. Well-defined waves were recorded for calcium, strontium and barium, but no limiting current was found for magnesium, because of its very negative reduction potential. The differential mode of this method gives peak-type polarograms and is useful for the simultaneous determination of species for which the half-wave potentials lie close together. The interference of dissolved oxygen was eliminated by the use of tetramethylammonium chloride as a supporting electrolyte.

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