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Journal of Analytical Chemistry

, Volume 74, Issue 6, pp 550–554 | Cite as

Method of the Simultaneous Determination of Anions and Cations Using a Nanosized Cation Exchanger and On-Column Formation of Anionic Chelates

  • A. M. DolgonosovEmail author
  • N. K. Kolotilina
ARTICLES
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Abstract

A method is proposed for the simultaneous determination of anions and cations of chelating metals based on anion chromatography with the chemical suppression of electrical conductivity of the mobile phase. It is distinguished by a high selectivity of the separation of groups of anions and cations. To implement the method, a special treatment of the protecting precolum with a nano-cation exchanger hydrosol solution is carried out and a special mode of operation of the automatic sample introduction device is used. The developed method can be implemented on any ion chromatograph. Examples of rapid analyses of tap and mineral waters for the concentration of inorganic anions, hardness salts, and zinc and copper impurities are given.

Keywords:

ion chromatography nanosized ion exchangers simultaneous determination of anions and cations 

Notes

ACKNOWLEDGMENTS

The Metrohm ion chromatograph (Switzerland), of the 883 Basic IC plus brand was kindly provided for the period of work (February 2015–July 2015) by ZAO AVRORA Lab under an agreement on scientific and technical cooperation.

FUNDING

The work was supported by the Program for Basic Research of the Presidium of the Russian Academy of Sciences No. 26 “Fundamental foundations and new effective methods for chemical analysis and research of the structure of substances and materials.”

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  1. 1.Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of SciencesMoscowRussia

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