Solid-phase spectrophotometry use for the determination of trace amounts of Rh(III)

A simple and sensitive solid-phase spectrophotometric method was developed for the determination of rhodium(III) trace amounts. The proposed procedure is based on the reaction product of disodium-1-nitroso-2-hydroxynaphthalene-3,6-disulfonate(Nitroso R salt) previously loaded on Dowex 1×1 anion exch...

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Main Author: Tofan Lavinia
Format: Article
Language:English
Published: De Gruyter 2011-11-01
Series:Reviews in Analytical Chemistry
Subjects:
Online Access:https://doi.org/10.1515/REVAC.2011.103
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author Tofan Lavinia
author_facet Tofan Lavinia
author_sort Tofan Lavinia
collection DOAJ
description A simple and sensitive solid-phase spectrophotometric method was developed for the determination of rhodium(III) trace amounts. The proposed procedure is based on the reaction product of disodium-1-nitroso-2-hydroxynaphthalene-3,6-disulfonate(Nitroso R salt) previously loaded on Dowex 1×1 anion exchanger. To find the best analytical conditions for the determination, the experimental variables (wavelength, pH, amount of resin, sample solution volume) were optimized. Under the selected conditions, rhodium(III) can be accurately determined in the range of 0.5–2 μg/ml with an RSD of 1.18% and a degree of sensitivity, expressed by the molar absorptivity, of 3.0356×104 l/mol cm. The results obtained on synthetic solutions clearly indicate the feasibility of the proposed method for real sample analysis.
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spelling doaj.art-a3b19090fd6a449a9f1c874e10c6cc322022-12-21T22:38:05ZengDe GruyterReviews in Analytical Chemistry0793-01352191-01892011-11-01303-417117510.1515/REVAC.2011.103Solid-phase spectrophotometry use for the determination of trace amounts of Rh(III)Tofan Lavinia0Department of Environmental Engineering and Management, Faculty of Chemical Engineering, “Gh. Asachi” Technical University of Iasi, 71 D. Mangeron Street, 700050 Iasi, RomaniaA simple and sensitive solid-phase spectrophotometric method was developed for the determination of rhodium(III) trace amounts. The proposed procedure is based on the reaction product of disodium-1-nitroso-2-hydroxynaphthalene-3,6-disulfonate(Nitroso R salt) previously loaded on Dowex 1×1 anion exchanger. To find the best analytical conditions for the determination, the experimental variables (wavelength, pH, amount of resin, sample solution volume) were optimized. Under the selected conditions, rhodium(III) can be accurately determined in the range of 0.5–2 μg/ml with an RSD of 1.18% and a degree of sensitivity, expressed by the molar absorptivity, of 3.0356×104 l/mol cm. The results obtained on synthetic solutions clearly indicate the feasibility of the proposed method for real sample analysis.https://doi.org/10.1515/REVAC.2011.103determinationnitroso r saltrhodiumsolid-phase spectrophotometry
spellingShingle Tofan Lavinia
Solid-phase spectrophotometry use for the determination of trace amounts of Rh(III)
Reviews in Analytical Chemistry
determination
nitroso r salt
rhodium
solid-phase spectrophotometry
title Solid-phase spectrophotometry use for the determination of trace amounts of Rh(III)
title_full Solid-phase spectrophotometry use for the determination of trace amounts of Rh(III)
title_fullStr Solid-phase spectrophotometry use for the determination of trace amounts of Rh(III)
title_full_unstemmed Solid-phase spectrophotometry use for the determination of trace amounts of Rh(III)
title_short Solid-phase spectrophotometry use for the determination of trace amounts of Rh(III)
title_sort solid phase spectrophotometry use for the determination of trace amounts of rh iii
topic determination
nitroso r salt
rhodium
solid-phase spectrophotometry
url https://doi.org/10.1515/REVAC.2011.103
work_keys_str_mv AT tofanlavinia solidphasespectrophotometryuseforthedeterminationoftraceamountsofrhiii