Year 2018, Volume 39, Issue 1, Pages 218 - 232 2018-03-16

Bazı ilaç ve Su Örneklerinde Demirin Spektrofotometrik Tayin Öncesi Mağnezyum Hidroksit ile Birlikte Çöktürme Yoluyla Önderiştirilmesi
Preconcentration of Iron in Some Drug and Water Samples by Coprecipitation with Magnesium Hydroxide Before Spectrophotometric Determination

Cemalettin UYAN [1] , Ersin BEKÇİOĞULLARI [2]

116 184

Bu çalışmada demir için bir önderiştirme ve tayin yöntemi önerilmektedir. Yöntem sırasıyla şu adımlardan ibarettir: I) Mg(OH)2 kollektörüyle örnekteki demirin birlikte çökmesi II) Oluşan çökeleğin santrifüjlenerek ayrılması, III) Çökeleğin asitte çözülmesi IV) Elde edilen daha düşük hacimli çözeltide deriştirilmiş olan demirin tiyosiyanatla kompleksleşme yoluyla UV-VIS spektrofotometrik olarak tayin edilmesi. Santrifüjleme süresi, pH, Mg derişimi gibi etkenlerin çökmeye veya absorbans sinyaline etkileri araştırılmış ve bu etkenlerin optimum değerleri belirlenmiştir. Örnekteki toplam demir, birlikteçöktürme öncesi tek bir yükseltgenme haline (Fe(II) or Fe(III) ) dönüştürmüştür. Prosesin her ikisi için kalibrasyon grafiği oluşturulmuştur.  Yönteme ait 0,01mgL-1 tespit sınırı ve 0,03-0,3 mgL-1 çalışma aralığı elde edilmiştir. Yöntem musluk suyuna, maden suyu örneklerine ve Rennie antiasit ilaç tabletine uygulanmıştır.  Yöntemin doğruluğu analit aşılama yoluyla test edilmiştir. Elde edilen doğruluk değerlerinin çoğu yüzde geri kazanım olarak % 90-100 arasındadır.  Tekrarlanabilirlik veya kesinlik için ise bağıl standart sapma olarak çoğunluğu % 5’i geçmeyen değerler elde edilmiştir.  

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%. 

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Primary Language en
Subjects Basic Sciences
Journal Section Natural Sciences
Authors

Author: Cemalettin UYAN
Institution: CUMHURİYET ÜNİVERSİTESİ, FEN FAKÜLTESİ, KİMYA BÖLÜMÜ
Country: Turkey


Author: Ersin BEKÇİOĞULLARI
Institution: CUMHURİYET ÜNİVERSİTESİ, FEN FAKÜLTESİ, KİMYA BÖLÜMÜ
Country: Turkey


Bibtex @research article { csj353455, journal = {Cumhuriyet Science Journal}, issn = {2587-2680}, eissn = {2587-246X}, address = {Cumhuriyet University}, year = {2018}, volume = {39}, pages = {218 - 232}, doi = {10.17776/csj.353455}, title = {Preconcentration of Iron in Some Drug and Water Samples by Coprecipitation with Magnesium Hydroxide Before Spectrophotometric Determination}, key = {cite}, author = {UYAN, Cemalettin and BEKÇİOĞULLARI, Ersin} }
APA UYAN, C , BEKÇİOĞULLARI, 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. DOI: 10.17776/csj.353455
MLA UYAN, C , BEKÇİOĞULLARI, E . "Preconcentration of Iron in Some Drug and Water Samples by Coprecipitation with Magnesium Hydroxide Before Spectrophotometric Determination". Cumhuriyet Science Journal 39 (2018): 218-232 <http://dergipark.org.tr/csj/issue/36110/353455>
Chicago UYAN, C , BEKÇİOĞULLARI, E . "Preconcentration of Iron in Some Drug and Water Samples by Coprecipitation with Magnesium Hydroxide Before Spectrophotometric Determination". Cumhuriyet Science Journal 39 (2018): 218-232
RIS TY - JOUR T1 - Preconcentration of Iron in Some Drug and Water Samples by Coprecipitation with Magnesium Hydroxide Before Spectrophotometric Determination AU - Cemalettin UYAN , Ersin BEKÇİOĞULLARI Y1 - 2018 PY - 2018 N1 - doi: 10.17776/csj.353455 DO - 10.17776/csj.353455 T2 - Cumhuriyet Science Journal JF - Journal JO - JOR SP - 218 EP - 232 VL - 39 IS - 1 SN - 2587-2680-2587-246X M3 - doi: 10.17776/csj.353455 UR - https://doi.org/10.17776/csj.353455 Y2 - 2018 ER -
EndNote %0 Cumhuriyet Science Journal Preconcentration of Iron in Some Drug and Water Samples by Coprecipitation with Magnesium Hydroxide Before Spectrophotometric Determination %A Cemalettin UYAN , Ersin BEKÇİOĞULLARI %T Preconcentration of Iron in Some Drug and Water Samples by Coprecipitation with Magnesium Hydroxide Before Spectrophotometric Determination %D 2018 %J Cumhuriyet Science Journal %P 2587-2680-2587-246X %V 39 %N 1 %R doi: 10.17776/csj.353455 %U 10.17776/csj.353455
ISNAD UYAN, Cemalettin , BEKÇİOĞULLARI, Ersin . "Preconcentration of Iron in Some Drug and Water Samples by Coprecipitation with Magnesium Hydroxide Before Spectrophotometric Determination". Cumhuriyet Science Journal 39 / 1 (March 2018): 218-232. https://doi.org/10.17776/csj.353455