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Deep eutectic solvents based assay for extraction and determination of zinc in fish and eel samples using FAAS
Abstract
A new assay based on effective (high recovery) extraction by means of deep eutectic solvents (DESs) was developed for ppb level determination of zinc in fishes and eel samples. Choline chloride and Phenol in a 1:2 M ratio was selected as optimal DES-based extraction solvent. 8-Hydroxy quinoline was used as a chelating agent for zinc ions. The optimized conditions were found at pH value of 8, ligand concentration of 10 mg/L, THF volumetric ratio in bulk solution of 0.5:10. The total time at optimal sample preparation conditions was 5 min for digested sample. Developed method fits to the purpose of routine analysis of fishes and eels. The LOD and LOQ were found 0.041 μg/kg and 0.136 μg/kg with pre-concentration factor of 25 and RSD 1.7%.
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Authors (7)
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Muhammad Balal
- Department of Chemistry, University of Karachi, Pakistan
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Roberto Castro-Muñoz
- Tecnologico de Monterrey, Campus Toluca. Avenida Eduardo Monroy Cárdenas 2000, San Antonio Buenavista, Toluca de Lerdo 50110, Mexico
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Zahid Hussain
- Department of Chemistry, Abdul Wali Khan University, Mardan 23200, Pakistan
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Faisal Safi
- Department of Chemistry, Abdul Wali Khan University, Mardan 23200, Pakistan
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Sana Ullah
- Department of Chemistry, Abdul Wali Khan University, Mardan 23200, Pakistan
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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JOURNAL OF MOLECULAR LIQUIDS
no. 333,
ISSN: 0167-7322 - Language:
- English
- Publication year:
- 2021
- Bibliographic description:
- Haq H., Balal M., Castro-Muñoz R., Hussain Z., Safi F., Ullah S., Boczkaj G.: Deep eutectic solvents based assay for extraction and determination of zinc in fish and eel samples using FAAS// JOURNAL OF MOLECULAR LIQUIDS -Vol. 333, (2021), s.115930-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.molliq.2021.115930
- Verified by:
- Gdańsk University of Technology
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