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Chromaticity Characteristics of NH2Hg2I3 and I2: Molecular Iodine As a Test Form Alternative to Nessler’s Reagent

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Abstract

The chromaticity characteristics were studied for the product of the reaction of Nessler’s reagent with ammonium ions and for solutions of molecular iodine. These characteristics were used for the determination of the concentration variation step in the construction of the calibration plot in test methods. It was demonstrated that chromaticity measurements can be used for improving the sensitivity of the determination, and iodine solutions can be used in test methods for the construction of the scale simulating NH2Hg2I3.

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REFERENCES

  1. Volynets, V.F. and Volynets, M.P., Analiticheskaya khimiya azota (Analytical Chemistry of Nitrogen), Moscow: Nauka, 1977.

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  2. Zolotov, Yu.A., Ivanov, V.M., and Amelin, V.G., Khimicheskie test-metody analiza (Chemical Test Methods of Analysis), Moscow: Editorial URSS, 2002.

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  3. Ivanov, V.M. and Kuznetsova, O.V., Usp. Khim., 2001, vol. 70, no.5, p. 411.

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Authors and Affiliations

  1. Department of Chemistry, Moscow State University, Vorob’evy gory, Moscow, 119992, Russia

    V. M. Ivanov, V. N. Figurovskaya, Yu. A. Barbalat & N. I. Ershova

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  1. V. M. Ivanov
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  2. V. N. Figurovskaya
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  3. Yu. A. Barbalat
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  4. N. I. Ershova
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Translated from Zhurnal Analiticheskoi Khimii, Vol. 60, No. 7, 2005, pp. 707–710.

Original Russian Text Copyright © 2005 by Ivanov, Figurovskaya, Barbalat, Ershova.

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Ivanov, V.M., Figurovskaya, V.N., Barbalat, Y.A. et al. Chromaticity Characteristics of NH2Hg2I3 and I2: Molecular Iodine As a Test Form Alternative to Nessler’s Reagent. J Anal Chem 60, 629–632 (2005). https://doi.org/10.1007/s10809-005-0150-6

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  • DOI: https://doi.org/10.1007/s10809-005-0150-6

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