نتایج جستجو برای: vortex assisted dispersive liquid liquid microextraction
تعداد نتایج: 386723 فیلتر نتایج به سال:
Background and Objectives: Different types of antibiotics are used indiscriminately in animal husbandry for the growth and treatment of livestock, which cause accumulation of antibiotic residues in livestock products such as milk. Long-term consumption of milk contaminated with antibiotic residues above the permissible limits is harmful to human health, causing antibiotic resistance problems. T...
An effective and environmentally friendly method based on ionic liquid-based ultrasound-assisted emulsification microextraction (IL-USAEME) and high performance liquid chromatography (HPLC) has been developed for the determination of nine hormones including three glucocorticoids, one androgen and five progestogens in cosmetics. Several factors that affect the extraction efficiency, such as the ...
In the present study, antifouling booster biocides, irgarol 1051 and diuron, were measured in seawater and sediments in ports and marinas of Bushehr, Iran. To the best of our knowledge, in the Persian Gulf there is no any record about analysis of these compounds in coastal waters, however there are considerable amount of information about the concentration of antifouling booster biocides in Eur...
A novel approach is presented, whereby gold nanostructured screen-printed carbon electrodes (SPCnAuEs) are combined with in-situ ionic liquid formation dispersive liquid-liquid microextraction (in-situ IL-DLLME) and microvolume back-extraction for the determination of mercury in water samples. In-situ IL-DLLME is based on a simple metathesis reaction between a water-miscible IL and a salt to fo...
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