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Ionic Liquid-Based Dispersive Liquid-Liquid Microextraction Coupled with High Performance Liquid Chromatography for the Determination of Spirotetramat in Water Samples | ||
Iranian Journal of Analytical Chemistry | ||
دوره 7، شماره 1 - شماره پیاپی 13، خرداد 2020، صفحه 88-95 اصل مقاله (1.34 M) | ||
نوع مقاله: Full research article | ||
شناسه دیجیتال (DOI): 10.30473/ijac.2020.52320.1168 | ||
نویسندگان | ||
Fatemeh Nourpishe1؛ Ali Asghar Amiri2؛ Ali Sheibani* 1؛ Masoud Reza Shishehbore1 | ||
1Department of Chemistry, Yazd Branch, Islamic Azad University, Yazd, Iran | ||
2Department of Chemistry, Shiraz Branch, Islamic Azad University, Shiraz, Iran | ||
چکیده | ||
In this study, a simple and sensitive method was developed for pre-concentration of spirotetramat (SPT) using the ionic liquid-based dispersive liquid-liquid microextraction. After extracting of SPT into 1-butyl-3-methylimidazolium hexafluorophosphate (ionic liquid), the insecticide was injected into HPLC system for determining. Under the optimum conditions, the developed method provided a linearity in the range of 0.05–2.0 µg mL-1 with R2= 0.9987, and also enrichment factor was 250. The detection limit and relative standard deviation of the developed method were 0.01 µg mL-1 and 2.7%, respectively. The proposed method was successfully applied to the pre-concentration and determination of SPT in spiked water samples with mean recoveries 94.0-96.0%. | ||
کلیدواژهها | ||
Spirotetramat؛ Ionic Liquid؛ Dispersive Liquid-Liquid Microextraction؛ HPLC؛ Water Sample | ||
عنوان مقاله [English] | ||
میکرواستخراج مایع - مایع پخشی بر پایه مایعات یونی جفت شده با کروماتوگرافی مایع با کارایی بالا برای اندازهگیری اسپیروتترامات در نمونههای آبی | ||
نویسندگان [English] | ||
فاطمه نورپیشه1؛ علی اصغر امیری2؛ علی شیبانی1؛ مسعود رضا شیشه بر1 | ||
1گروه شیمی، دانشگاه آزاد اسلامی یزد، یزد، ایران | ||
2گروه شیمی، دانشگاه آزاد اسلامی شیراز، شیراز، ایران | ||
چکیده [English] | ||
در این مطالعه، یک روش ساده و حساس برای پیش تغلیظ و اندازه گیری اسپروتترامات (سم) با استفاده از تکنیک میکرواستخراج مایع-مایع پخشی جفت شده با کروماتوگرافی مایع با عملکرد بالا توسعه داده شده است. پس از استخراج اسپیروتترامات با مایع یونی 1-بوتیل-3-متیل ایمیدازولیوم هگزافلوئوروفسفات، این سم از محلول جدا شده و به دستگاه کروماتوگرافی جهت اندازه گیری تزریق می شود. در شرایط بهینه، یک گستره خطی در محدوده 05/0 تا 2میکروگرم بر میلی لیتر حاصل شد (9987/0 =R2) و همچنین فاکتور تغلیظ 250 بود. حدتشخیص و انحراف استاندارد نسبی به ترتیب 0.01 و 2.7 میکروگرم بر میلی لیتر بدست آمد. روش پیشنهادی برای پیش تغلیظ و اندازه گیری اسپیروتترامات در نمونه های آبی تزریق شده بطور موفقیت آمیزی بکار گرفته شد که متوسط بازیابی ها بین 94 تا 96 درصد شد. | ||
کلیدواژهها [English] | ||
اسپیروتترامات, مایع یونی, میکرواستخراج مایع مایع پخشی, کروماتوگرافی مایع با عملکرد بالا, نمونه آبی | ||
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