Cloud Point Extraction for Preconcentration and Determination of Uranium in Water Samples by Spectrophotometry

Çiğdem Arpa Şahin; Nuray Şatıroğlu; Sema Bektaş

Cloud Point Extraction for Preconcentration and Determination of Uranium in Water Samples by Spectrophotometry

Abstract

A cloud point extraction methodology for preconcentration and spectrophotometric determination of uranium in water samples is presented. The analyte was complexed with 2,7-bis 2-arseno-phenylazo -1,8-dihydroxynaphtalane-3,6-disulfonic acid arsenazo-III and octylphenoxy polyethoxyethanol Triton X-114 was added as surfactant. The effects of experimental conditions such as pH, concentration of chelating agent and surfactant, equilibration temperature and time on cloud point extraction were studied. Under the optimum conditions, enrichment factor for 40 mL of sample solution is 34. The method allows the determination of uranium with a detection limit of 1.55 ng mL-1 a quantification limit of 5.16 ng mL-1 and a precision expressed as relative standard deviation of 2.7% for uranium concentration of 25 ng mL-1 n = 10 . The method was applied to the determination of trace uranium in water samples with satisfactory results.

Keywords

Preconcentation,cloud point extraction,Uranium,Arsenazo-III,Spectrophotometry

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Details

Primary Language

English

Subjects

-

Journal Section

-

Authors

Çiğdem Arpa Şahin This is me

Nuray Şatıroğlu This is me

Sema Bektaş This is me

Publication Date

August 1, 2009

Submission Date

-

Acceptance Date

-

Published in Issue

Year 2009 Volume: 37 Number: 3

IZ

https://izlik.org/JA82GG44HB

Cite

RIS / Bibtex

APA

Şahin, Ç. A., Şatıroğlu, N., & Bektaş, S. (2009). Cloud Point Extraction for Preconcentration and Determination of Uranium in Water Samples by Spectrophotometry. Hacettepe Journal of Biology and Chemistry, 37(3), 241-247. https://izlik.org/JA82GG44HB

AMA

1.Şahin ÇA, Şatıroğlu N, Bektaş S. Cloud Point Extraction for Preconcentration and Determination of Uranium in Water Samples by Spectrophotometry. HJBC. 2009;37(3):241-247. https://izlik.org/JA82GG44HB

Chicago

Şahin, Çiğdem Arpa, Nuray Şatıroğlu, and Sema Bektaş. 2009. “Cloud Point Extraction for Preconcentration and Determination of Uranium in Water Samples by Spectrophotometry”. Hacettepe Journal of Biology and Chemistry 37 (3): 241-47. https://izlik.org/JA82GG44HB.

EndNote

Şahin ÇA, Şatıroğlu N, Bektaş S (August 1, 2009) Cloud Point Extraction for Preconcentration and Determination of Uranium in Water Samples by Spectrophotometry. Hacettepe Journal of Biology and Chemistry 37 3 241–247.

IEEE

[1]Ç. A. Şahin, N. Şatıroğlu, and S. Bektaş, “Cloud Point Extraction for Preconcentration and Determination of Uranium in Water Samples by Spectrophotometry”, HJBC, vol. 37, no. 3, pp. 241–247, Aug. 2009, [Online]. Available: https://izlik.org/JA82GG44HB

ISNAD

Şahin, Çiğdem Arpa - Şatıroğlu, Nuray - Bektaş, Sema. “Cloud Point Extraction for Preconcentration and Determination of Uranium in Water Samples by Spectrophotometry”. Hacettepe Journal of Biology and Chemistry 37/3 (August 1, 2009): 241-247. https://izlik.org/JA82GG44HB.

JAMA

1.Şahin ÇA, Şatıroğlu N, Bektaş S. Cloud Point Extraction for Preconcentration and Determination of Uranium in Water Samples by Spectrophotometry. HJBC. 2009;37:241–247.

MLA

Şahin, Çiğdem Arpa, et al. “Cloud Point Extraction for Preconcentration and Determination of Uranium in Water Samples by Spectrophotometry”. Hacettepe Journal of Biology and Chemistry, vol. 37, no. 3, Aug. 2009, pp. 241-7, https://izlik.org/JA82GG44HB.

Vancouver

1.Çiğdem Arpa Şahin, Nuray Şatıroğlu, Sema Bektaş. Cloud Point Extraction for Preconcentration and Determination of Uranium in Water Samples by Spectrophotometry. HJBC [Internet]. 2009 Aug. 1;37(3):241-7. Available from: https://izlik.org/JA82GG44HB