Rapid analysis of chromium (III, VI) in water and wastewater samples based on Task-specific ionic liquid by the ultra-assisted dispersive ionic liquid-liquid microextraction
| العنوان: | Rapid analysis of chromium (III, VI) in water and wastewater samples based on Task-specific ionic liquid by the ultra-assisted dispersive ionic liquid-liquid microextraction |
|---|---|
| المؤلفون: | Tayebeh Shamspur, Vahid Saheb |
| المصدر: | Analytical Methods in Environmental Chemistry Journal. :75-85 |
| بيانات النشر: | SCI AND TECH UNIVERSAL INC, 2022. |
| سنة النشر: | 2022 |
| مصطلحات موضوعية: | General Medicine |
| الوصف: | In this research, 2-mercapto-1-methylimidazole a novel Task-specific ionic liquid (C4H6N2S; HS-CH3-IM) was used with a new approach for speciation of Cr (III, VI) from water samples by ultra-assisted dispersive ionic liquid-liquid microextraction procedure (USA-D-ILLME). Due to the procedure, 100 mg of HS-CH3-IM and 0.2 mL of acetone were mixed and injected into 10 mL of water or standard Cr (III) and Cr (VI) solution in the conical tube. After stirring for 5 min, the Cr (VI) and Cr (III) were extracted with a positive and negative charge of the thiol group (HS2+, HS-) in pH 2 or 8 and pH 5, respectively. The Cr (III, VI) loaded on the HS-CH3-IM was back-extracted in a liquid solution. Finally, the concentration of the Cr (III, VI) ions in a remained solution were measured with ET-AAS . The total chromium was determined in water samples by summarizing the Cr (VI) and Cr (III) contents. All parameters such as the amount of HS-CH3-IM, the sample volume, pH, and the shaking/centrifuging time were optimized. Under the optimal conditions, good linear range (LR), LOD, and enrichment factor (EF) were obtained 0.05–1.7 μg L−1, 15 ng L−1, and 19.82 respectively (RSD% < 1.45). |
| تدمد: | 2645-5382 2645-5552 |
| DOI: | 10.24200/amecj.v5.i01.170 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::105633ecb38b8bbb10cf65eb9ea8387b https://doi.org/10.24200/amecj.v5.i01.170 |
| Rights: | OPEN |
| رقم الانضمام: | edsair.doi...........105633ecb38b8bbb10cf65eb9ea8387b |
| قاعدة البيانات: | OpenAIRE |
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