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Application of a Task-Specific Functionalized Ionic Liquid To Simultaneous Preconcentration of Cd and Pb As Toxic Pollutant in Real Water and Saline Samples By In-Situ Solvent Formation Microextraction Technique | ||
| Iranian Journal of Analytical Chemistry | ||
| مقاله 1، دوره 7، شماره 2 - شماره پیاپی 14، آذر 2020، صفحه 1-11 اصل مقاله (887.69 K) | ||
| نوع مقاله: Full research article | ||
| شناسه دیجیتال (DOI): 10.30473/ijac.2020.52928.1170 | ||
| نویسندگان | ||
| Mehdi Hosseini* 1؛ Arman Naderi2؛ Zeinab Fazli3 | ||
| 1Department of Chemistry, Ayatollah Boroujerdi University | ||
| 2Ph.D. of soil science, the University of Zanjan | ||
| 3School of Health, Zanjan University of Medical Sciences, Zanjan, Iran | ||
| چکیده | ||
| In the present research, the application of a functionalized ionic liquid with a specific role to simultaneous extraction and preconcentration of cadmium and lead ions in aqueous media by in-situ solvent formation microextraction (ISFME) technique was developed. The task-specific functionalized ionic liquid of 3-(2-(bis(2-(tert-butoxy)-2-oxoethyl)amino)ethyl)-1-methylimidazolium chloride ([Tamim][Cl]) as a complexing agent utilized for the formation of metal chelates with Cd(II) and Pb(II) ions in aqueous solutions. Finally, determination of concentrated or separated metal ions contents after dilution step was carried out by flame atomic absorption spectrometry (FAAS). To obtain optimum extraction conditions, analytical parameters including the various range of sample solution pH, chelating agent amount, ionic strength of solution, solution temperature and counter ion dosage were investigated. Furthermore, parameters represent figures of merit of the method such as limit of detection (LOD), relative standard deviation (RSD), linear dynamic range (LDR) and the enhancement factor (EF) were 0.64;0.76 µg L-1, 1.5;1.8%, 50-2500;50-2000 µg L-1 and 85;80 for cadmium and lead, respectively. The ability of the method for analyzing of real water and saline samples were evaluated and good results were obtained. | ||
| کلیدواژه‌ها | ||
| Task-Specific Functionalized Ionic Liquids؛ In-Situ Solvent Formation Microextraction Technique؛ Cd؛ Pb؛ Saline Samples | ||
| عنوان مقاله [English] | ||
| کاربرد مایع یونی عامل دار با عملکرد ویژه برای پیش تغلیظ همزمان کادمیم و سرب به عنوان آلاینده های سمی در نمونه‌های آبی و نمکی حقیقی با استفاده از تکنیک ریز استخراج تشکیل حلال درجا | ||
| نویسندگان [English] | ||
| مهدی حسینی1؛ آرمان نادری2؛ زینب فضلی3 | ||
| 1گروه شیمی، دانشکده علوم پایه، استادیار شیمی تجزیه-دانشگاه آیت ا...بروجردی | ||
| 2دانشکده کشاورزی، گروه خاک شناسی، دانشگاه زنجان | ||
| 3دانشکده بهداشت، دانشکده علوم پزشکی زنجان، زنجان، ایران | ||
| چکیده [English] | ||
| در تحقیق حاضر، کاربرد یک مایع یونی عامل دار با نقش ویژه برای استخراج و پیش‌تغلیظ همزمان یون‌های کادمیم و سرب در محیط‌های آبی با استفاده از تکنیک ریز استخراج تشکیل حلال درجا تشریح شده است. مایع یونی عامل دار با عملکرد ویژه 3-(2-(بیس(2-(ترشیو بوتوکسی)-2-اکسو اتیل)آمینو)اتیل)-1-متیل ایمیدازولیوم کلرید ([Tamim][Cl]) به عنوان عامل کمپلکس دهنده برای تشکیل کی‌لیت با یون‌های کادمیم و سرب در فاز آبی استفاده شده است. تعیین مقدار یون‌های فلزی جداسازی و تغلیظ شده بعد از مرحله رقیق‌سازی با استفاده از دستگاه طیف‌سنج شعله‌ایی (FAAS) انجام شد. بمنظور بدست آوردن شرایط استخراجی بهینه، پارامترهای تجزیه‌ایی شامل مقادیر مختلفی از pH محلول نمونه، مقدار عامل کی‌لیت کننده، قدرت یونی محلول، دمای محلول و دز یون مخالف بررسی شدند. علاوه بر این، پارامترهای نشان دهنده ارقام شایستگی روش مانند حد تشخیص (LOD)، انحراف استاندارد نسبی (RSD)، گستره دینامیکی خطی (LDR) و فاکتور تغلیظ (EF) به ترتیب برای کادمیم و سرب برابر با µg L-1 64/0; 76/0، 5/1; 8/%1، µg L-1 2500-50; 200-50 و 85; 80 بدست آمدند. توانایی روش برای آنالیز نمونه‌های آب حقیقی و محلول‌های نمکی بررسی شد و نتایج خوب و رضایتبخشی حاصل شد. | ||
| کلیدواژه‌ها [English] | ||
| مایعات یونی عامل دار با عملکرد ویژه, تکنیک ریز استخراج تشکیل حلال درجا, کادمیم, سرب, نمونه‌های نمکی | ||
| مراجع | ||
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