Optimization of Five Reducing Agents using UV-VIS Spectrometry for Reduction of Iron(III) to Iron(II)

R. Djarot Sugiarso K.S.; Arum Dwi Kurnia; Dewi Ratnawati; Haryudini Arsa Putri; Herdayanto S. Putro; Ratna Ediati

doi:10.14233/ajchem.2019.21939

Issue

Vol. 31 No. 9 (2019): Vol 31 Issue 9

Issue Published : July 19, 2019

This work is licensed under a Creative Commons Attribution 4.0 International License.

Optimization of Five Reducing Agents using UV-VIS Spectrometry for Reduction of Iron(III) to Iron(II)

https://doi.org/10.14233/ajchem.2019.21939

R. Djarot Sugiarso K.S.

Department of Chemistry, Faculty of Science, Institut Teknologi Sepuluh, Nopember Campus ITS Sukolilo, Surabaya 60111, Indonesia

Arum Dwi Kurnia

Department of Chemistry, Faculty of Science, Institut Teknologi Sepuluh, Nopember Campus ITS Sukolilo, Surabaya 60111, Indonesia

Dewi Ratnawati

Department of Chemistry, Faculty of Science, Institut Teknologi Sepuluh, Nopember Campus ITS Sukolilo, Surabaya 60111, Indonesia

Haryudini Arsa Putri

Department of Chemistry, Faculty of Science, Institut Teknologi Sepuluh, Nopember Campus ITS Sukolilo, Surabaya 60111, Indonesia

Herdayanto S. Putro

Department of Chemistry, Faculty of Science, Institut Teknologi Sepuluh, Nopember Campus ITS Sukolilo, Surabaya 60111, Indonesia

Ratna Ediati

Department of Chemistry, Faculty of Science, Institut Teknologi Sepuluh, Nopember Campus ITS Sukolilo, Surabaya 60111, Indonesia

Corresponding Author(s) : R. Djarot Sugiarso K.S.

djarot@chem.its.ac.id

Asian Journal of Chemistry, Vol. 31 No. 9 (2019): Vol 31 Issue 9
Article Published : July 31, 2019

Abstract

This study aims to investigate the optimum conditions of five reducing agents viz., sodium thiosulfate (Na₂S₂O₃), hydroxylamine hydrochloride (NH₂OH·HCl), ascorbic acid (C₆H₈O₆), sodium oxalate (Na₂C₂O₄) and sodium sulfite (Na₂SO₃) for the reduction of Fe(III) to Fe(II) using UV-Vis spectrometry. As result, the optimum pH of acetate buffer for Na₂S₂O₃, NH₂OH·HCl, C₆H₈O₆, Na₂C₂O₄ and Na₂SO₃ were obtained at pH 4.5, 4.5, 4.5, 5.0 and 4.0, respectively. Whilst the optimum time for each Na₂S₂O₃, NH₂OH·HCl and C₆H₈O₆ were 15 min, the outcome for Na₂C₂O₄ and Na₂SO₃ took longer time which are 45 and 30 min, respectively. As for optimum concentration, the results were various as Na₂S₂O₃, NH₂OH·HCl, C₆H₈O₆, Na₂C₂O₄ and Na₂SO₃ were at 11, 7, 5, 12 and 60 ppm in consecutive order. Also to conclude the work, the recovery percentage were calculated and the results were Na₂S₂O₃ (102.81 %), NH₂OH·HCl (116.71 %), C₆H₈O₆ (97.97 %), Na₂C₂O₄ (85.89 %), and Na₂SO₃ (85.04 %).

Keywords

Iron 1,10-Phenanthroline Reducing Agents UV-vis spectrometry

K.S., R. D. S., Kurnia, A. D., Ratnawati, D., Putri, H. A., Putro, H. S., & Ediati, R. (2019). Optimization of Five Reducing Agents using UV-VIS Spectrometry for Reduction of Iron(III) to Iron(II). Asian Journal of Chemistry, 31(9), 2091–2094. https://doi.org/10.14233/ajchem.2019.21939

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References

A. Fisiana, Final Project, Departement of Chemistry, Faculty of Science, Institut Teknologi Sepuluh Nopember, Indonesia (2012).

E. Pehlivan and D. Kara, Mikrochim. Acta, 158, 137 (2007); https://doi.org/10.1007/s00604-006-0697-4.

S. Roncevic and I. Steffan, At. Spectrosc., 25, 125 (2004).

M. Grotti, F. Soggia, F. Ardini and R. Frache, J. Anal. At. Spectrom., 24, 522 (2009); https://doi.org/10.1039/b818236a.

C. Xiong, Z. Jiang and B. Hu, Anal. Chim. Acta, 559, 113 (2006); https://doi.org/10.1016/j.aca.2005.11.051.

A. Abbaspour, M.A. Mehrgardi, A. Noori, M.A. Kamyabi, A. Khalafi-Nezhad and M.N. Soltani Rad, Sens. Actuators B: Chem., 113, 857 (2006); https://doi.org/10.1016/j.snb.2005.03.119.

O. Mikkelsen, C. Van Den Berg and K. Schroder, Electroanalysis, 18, 35 (2006); https://doi.org/10.1002/elan.200503360.

A. Itodo, U. Abdullahi, B. Saliha and U. Happiness, Adv. Anal. Chem., 1, 16 (2012).

T. An, N. Lee, H.-J. Cho, S. Kim, D.-S. Shin and S.-M. Lee, RSC Adv., 7, 30582 (2017); https://doi.org/10.1039/c7ra04107a.

A.S. Amin and A.A. Gouda, Talanta, 76, 1241 (2008); https://doi.org/10.1016/j.talanta.2008.05.034.

Amelia, Final Project, Department of Chemistry, Faculty of Science, Institut Teknologi Sepuluh Nopember, Indonesia (2004).

H. Radityo, Final Project, Department of Chemistry, Faculty of Science, Institut Teknologi Sepuluh Nopember, Indonesia (2004).

Issue

Vol. 31 No. 9 (2019): Vol 31 Issue 9

Optimization of Five Reducing Agents using UV-VIS Spectrometry for Reduction of Iron(III) to Iron(II)

Corresponding Author(s) : R. Djarot Sugiarso K.S.

Abstract

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