Majid Ramezani
Department of Chemistry, Faculty of Science, Islamic Azad University, Arak branch, Arak, Iran
[ 1 ] - Preconcentration and determination of palladium water samples by ionic liquid - dispersive liquid liquid microextraction combined with flame atomic absorption spectrometry
A simple, rapid and efficient dispersive liquid–liquid microextraction by use of ionic liquid (IL-DLLME)method, followed by flame atomic absorption spectrometry (FAAS) was developed for the preconcentrationand determination of palladium in water samples. In this method, an appropriate mixture of acetone and octylmethyl imidazolium hexafluorophosphate was injected rapidly into the aqueous sample...
[ 2 ] - Dispersive liquid–liquid microextraction based on solidification of floating organic drop combined with flame atomic absorption spectrometry for determination trace amount of cobalt in water samples
An efficient, rapid, simple, and highly selective dispersive liquid–liquid microextraction basedon solidification of floating organic drop (DLLME-SFOD), combined with flame atomicabsorption spectrometry was developed for preconcentration and determination of trace amountsof cobalt in water samples. In this method, an appropriate mixture of acetone and1-undecanol was injected rapidly into the aq...
[ 3 ] - اندازه‌گیری پالادیم به روش میکرو استخراج فاز مایع جانشینی به‌کمک میکروقیف و همزن مغناطیسی و بهینه‌سازی به‌کمک طراحی پاسخ سطح
در این پژوهش، یک روش ساده و مؤثر برای پیش‌تغلیظ و اندازه‌گیری یون پالادیم براساس جابه‌جایی با کمپلکس Cu(DDTC)2 در نمونه‌های آبی ارائه‌شده است. این روش شامل دو مرحله است. برای به حداقل رساندن مزاحمت‌های یونی ابتدا +Cu2 با دی‌اتیل‌دی‌تیوکاربامات، برای تشکیل کمپلکس Cu(DDTC)2 واکنش داده که با روش میکرو استخراج مایع-مایع پخشی با کمک میکروقیف و با استفاده ا...
[ 4 ] - The Electrochemical Sensor for Selective Solid Phase Extraction of Pseudoephedrine Hydrochloride in a Real Sample
In the current study, a new technique was developed for quantification and qualification of pseudoephedrine hydrochloride (PSE) in a real sample, which was based on electrochemical sensors and molecular imprinted polymer (MIP). The carbon paste electrode (CPE) was modified and optimized by a different ratio of MIP. MIP/CPE was used as the extraction and working electrod...
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