[PDF] Top 20 Determination of Abamectin by Dispersive Liquid-liquid Microextraction Combined with High-Performance Liquid Chromatography in Fruit Juice Samples

... agriculture. Abamectin, which belongs to the macrocyclic lactone class of avermectins and is comprised of at least 80% of avermectin B 1a and less than 20% of avermectin B 1b ... See full document

... percent relative standard deviations (RSDs) of the results from six replicate experiments using two different concentrations of drugs, were in the range of 3–5 % for real samples. The results are presented in ... See full document

... a high- performance liquid chromatography from Knauer of Germany model EuroChrom consisting of a degasser, quaternary pump (model K1100), manual sample injector with 20 μl loop size and UV ... See full document

... ûber liquid-phase microextraction (HF- LPME) method combined with high-performance liquid chromatography (HPLC) with ultraviolet (UV) detection was presented to detection ... See full document

... air-assisted liquid-liquid microextraction (AALLME) and dispersive liquid-liquid microextraction (DLLME) have been developed for the simultaneous determination of ... See full document

... Methods: Dispersive liquid-liquid micro-extraction (DLLME) technique coupled with high-performance liq- uid chromatography equipped with ultraviolet detector (HPLC-UV) developed ... See full document

... gas chromatography with electron capture detection [9] or mass spectrometry (MS) [10] and high-performance liquid chromatography (HPLC) with ultraviolet (UV) detection [11], diode array ... See full document

... novel microextraction methods based on the use of a mixed matrix membrane (MMM) were developed in various designs and ...MMM microextraction and preconcentration of organic pollutants was ...and ... See full document

... biological samples is an important con- cern in the forensic toxicology (Drummer ...as liquid-liquid extrac- tion (LLE) and solid-phase extraction (SPE) have been de- veloped for extraction and ... See full document

... procedure, dispersive liquid-liquid microextraction (DLLME), has been developed for the extraction and preconcentration of platinum (IV) in environmental water ...the microextraction ... See full document

... Method simplification and miniaturization are modern trends in analytical chemistry (Blasco 2004). Solid-phase extraction (SPE) is a convenient sampling method compared to LLE because of its simplicity and economic ... See full document

... Rezaee M., Assadi Y., Milani Hosseini M.R., Aghaee E., Ahmadi F., Berijani S. (2006): Determination of organic compounds in water using dispersive liquid–liquid mi- croextraction. Journal of ... See full document

... In this study, two liquid phase microextractions, namely, DLLME and DLLME-SFO were compared to determine the crocin in saffron and biological samples. The results confirmed that both extraction methods ... See full document

... transferred into a 10-mL glass extraction vessel. A mixture of 450 μL acetic acid as dispersive solvent with 150 μL benzyl alcohol as extracting solvent is transferred into the vessel. The mixture was then ... See full document

... The performance of the proposed VA-IL-DLLME procedure was assessed by calculating two parameters, including the EF and the consumptive index (CI). The EF defined as the ratio between the calibration graph slopes ... See full document

... with high-performance liquid chromatography (HPLC) for the analysis of trimethoprim, sulfadiazine, and ...rods microextraction coupled with HPLC was ... See full document

... Experimental Design and Statistical Analysis Response surface methodology was applied to determine the optimized extraction conditions for phenol and carvacrol from honey samples. Statistical analysis was ... See full document

... In liquid chromatography the choice of detection approach is critical to guarantee that all the components are detected ...sensitivity. Liquid chromatography ... See full document

... the microextraction efficiency, such as concentration of the chelating agent, pH, amount of the ionic liquid, type of disperser solvent and diluting agent, ionic strength, extraction and centrifugation ... See full document

... urine samples could be done in the present study with appropriate accuracy by USAE-SFODME technique ...water samples was done and has successful efficiency for these types of ... See full document