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Determination of chromium by radiochemical displacement

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Abstract

A rapid and sensitive method has been developed for the determination of microgram amounts of chromium based on the radiochemical displacement of65Zn from labeled Zn-[1-(2-pyridylazo-2-naphthol]2 complex by chromium. The effect of pH on the displacement of65Zn was studied. 5–65 μg of chromium could be determined with great accuracy. The effect of various ions on the displacement of65Zn by chromium was investigated and the method developed was utilized for the determination of chromium content present in geological water samples. The results were compared with values obtained by Atomic Absorption Spectrophotometry.

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References

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Authors and Affiliations

  1. Radiochemical Laboratories, Sri Venkateswara University, 517 502, Tirupati, India

    P. Chandrasekhar Reddy & B. Rangamannar

  2. Department of Geology, Sri Venkateswara University, 517 502, Tirupati, India

    N. Janardhana Raju

Authors
  1. P. Chandrasekhar Reddy
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  2. B. Rangamannar
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  3. N. Janardhana Raju
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Reddy, P.C., Rangamannar, B. & Raju, N.J. Determination of chromium by radiochemical displacement. Journal of Radioanalytical and Nuclear Chemistry Letters 200, 119–126 (1995). https://doi.org/10.1007/BF02163681

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  • DOI: https://doi.org/10.1007/BF02163681

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