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Estimation of free acidity in some hydrolysable metal ions present in reprocessing streams by fiber optic aided spectrophotometry

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Abstract

A fiber optic aided spectrophotometric technique has been developed for the determination of free acidity in nuclear fuel reprocessing streams. In this method, nitric acid forms yellow colour complex with chrome azurol s. The system obeys Lambert–Beer’s law at 542 nm in the range of acidity 4–14 M. The molar absorption coefficient (ε) and Sandell’s sensitivity (S) of complex are 5.23 × 103 L.mol−1.cm−1 and 1.91 × 10−4 µg/cm2 respectively. Relative standard deviation is less than 1 % and correlation coefficient is 0.999. Results of the present method are in good agreement with those obtained by the standard procedure.

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Authors and Affiliations

  1. Reprocessing Research and Development Division, Indira Gandhi Centre for Atomic Research, Kalpakkam, 603102, India

    S. Ganesh, P. Velavendan, N. K. Pandey, U. Kamachi Mudali & R. Natarajan

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  1. S. Ganesh
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  2. P. Velavendan
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  3. N. K. Pandey
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  4. U. Kamachi Mudali
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  5. R. Natarajan
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Correspondence to N. K. Pandey.

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Ganesh, S., Velavendan, P., Pandey, N.K. et al. Estimation of free acidity in some hydrolysable metal ions present in reprocessing streams by fiber optic aided spectrophotometry. J Radioanal Nucl Chem 302, 1421–1424 (2014). https://doi.org/10.1007/s10967-014-3658-0

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  • DOI: https://doi.org/10.1007/s10967-014-3658-0

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