Preconcentration of Iron in Some Drug and Water Samples by Coprecipitation with Magnesium Hydroxide Before Spectrophotometric Determination

Cemalettin Uyan; Ersin Bekçioğulları

doi:10.17776/csj.353455

EN TR

Preconcentration of Iron in Some Drug and Water Samples by Coprecipitation with Magnesium Hydroxide Before Spectrophotometric Determination

Abstract

A method was purposed for preconcentration and determination of iron, in this study. The method consist of these steps respectively: I) Coprecipitation of the iron present in the sample with Mg(OH)₂ collector. II) Seperation of the precipitate by centrifuging. III) Solving the precipitation in acid. IV) UV-VIS spectrophotometric determination of the iron concentrated in the resultant lower volume solution using its complexation with thiocyanate. The effects of factors such as centrifugation time, pH and Mg concentration on the absorbance signal were investigated and the optimum values of these factors were determined. Total iron in the sample was brought single oxidation state (Fe(II) or Fe(III)) before coprecipitation procedure. Calibration curve was derived for both of the proceses. The detection limit and working range for the proposed method were found to be 0.01 mgL^-1 and 0.03-0.3 mgL^-1 respectively. The proposed method was applied to tap water, mineral water samples and Rennie anti-acid drug tablet. The accuracy of the method was tested by analyte spiked method. The accuracy results in terms of Recovery % are between 90-100%. Mostly the relative standart deviations (RSD %) values do not exceed 5%.

Keywords

preconcentration,coprecipitation,Mg(OH)2 collector,Iron determination,UV-VIS absorpsiyon spectrophotometric method

References

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Details

Primary Language

English

Subjects

-

Journal Section

Research Article

Authors

Cemalettin Uyan
CUMHURİYET ÜNİVERSİTESİ, FEN FAKÜLTESİ, KİMYA BÖLÜMÜ
Türkiye

Ersin Bekçioğulları
CUMHURİYET ÜNİVERSİTESİ, FEN FAKÜLTESİ, KİMYA BÖLÜMÜ
Türkiye

Publication Date

March 16, 2018

Submission Date

November 15, 2017

Acceptance Date

March 9, 2018

Published in Issue

Year 1970 Volume: 39 Number: 1

DOI

https://doi.org/10.17776/csj.353455

IZ

https://izlik.org/JA45ZW68XZ

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RIS / Bibtex

APA

Uyan, C., & Bekçioğulları, E. (2018). Preconcentration of Iron in Some Drug and Water Samples by Coprecipitation with Magnesium Hydroxide Before Spectrophotometric Determination. Cumhuriyet Science Journal, 39(1), 218-232. https://doi.org/10.17776/csj.353455

Preconcentration of Iron in Some Drug and Water Samples by Coprecipitation with Magnesium Hydroxide Before Spectrophotometric Determination

Preconcentration of Iron in Some Drug and Water Samples by Coprecipitation with Magnesium Hydroxide Before Spectrophotometric Determination

Abstract

Keywords

Bazı ilaç ve Su Örneklerinde Demirin Spektrofotometrik Tayin Öncesi Mağnezyum Hidroksit ile Birlikte Çöktürme Yoluyla Önderiştirilmesi

Öz

Anahtar Kelimeler

References

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