Extraction, preconcentration and determination of trace amount of silver by solid phase modified nano-alumina with 4-dimethylaminobenzylidene rhodanine in real samples

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DEHGHAN N.; CHEGENI M.; HOSSEINI M.

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Journal: Journal of Applied Research in Chemistry Year:2020 | Volume:13 | Issue:4 Page(s): 27-36

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Title

Extraction, preconcentration and determination of trace amount of silver by solid phase modified nano-alumina with 4-dimethylaminobenzylidene rhodanine in real samples

Author(s)

DEHGHAN N. | CHEGENI M. | HOSSEINI M. | Issue Writer Certificate

Keywords

solid phase extractionQ1

silverQ2

modified Nano-aluminaQ1

4-dimethylaminobenzylidene rhodanineQ1

Abstract

The method is based on the adsorption of silver on sodium dodecyl sulfate (SDS)-coated nano-alumina, which is also chelated with 4-dimethylaminobenzylidene rhodanine. The results displayed that adsorbent had the highest adsorption capacity for Ag in ions mixture system. Optimal experimental conditions including pH, adsorbent dosage, and contact time have been established. Langmuir and Freundlich isotherm models were applied to analyze the experimental data. The effect of foreign ions were studied. In batch system relative standard deviation (R. S. D, n=9) under optimum condition was obtained 1. 54 % and detection limits 7. 7 μ g. L-1 (3Sb/m) were obtained. Different parameters such as, sorbent amount, eluent type, eluent volume, sample flow rate, and sample volume were determined for the preconcentration of metal ions with the sorbent in column system. Relative standard deviation (R. S. D, n=8) under optimum condition is obtained 2. 35 % and detection limits 8. 9 μ g. L-1 (3Sb/m) are obtained. This method is simple and sensitive for measurements of silver in water, soil, and real samples in batch and column systems.

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APA: Copy

DEHGHAN, N., CHEGENI, M., & HOSSEINI, M.. (2020). Extraction, preconcentration and determination of trace amount of silver by solid phase modified nano-alumina with 4-dimethylaminobenzylidene rhodanine in real samples. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), 13(4 ), 27-36. SID. https://sid.ir/paper/180161/en

Vancouver: Copy

DEHGHAN N., CHEGENI M., HOSSEINI M.. Extraction, preconcentration and determination of trace amount of silver by solid phase modified nano-alumina with 4-dimethylaminobenzylidene rhodanine in real samples. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC)[Internet]. 2020;13(4 ):27-36. Available from: https://sid.ir/paper/180161/en

IEEE: Copy

N. DEHGHAN, M. CHEGENI, and M. HOSSEINI, “Extraction, preconcentration and determination of trace amount of silver by solid phase modified nano-alumina with 4-dimethylaminobenzylidene rhodanine in real samples,” JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), vol. 13, no. 4 , pp. 27–36, 2020, [Online]. Available: https://sid.ir/paper/180161/en

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