متن کامل ترجمه مقاله ISI در elsevier در فایل word به فروش می رسد که ترجمه چکیده آن را به عنوان نمونه می توانید ملاحظه فرمایید. 22 صفحه ورد و 8 صفحه PDF به زبان اصلی Determination of parabens in human milk and other food samples by capillary electrophoresis after dispersive liquid–liquid microextraction with back-extraction Abstract Dispersive liquid–liquid microextraction (DLLME) with back-extraction was used prior to capillary electrophoresis (CE) for the extraction of four parabens. Optimum extraction conditions were: 200 lL chloroform (extraction solvent), 1.0 mL acetonitrile (disperser solvent) and 1 min extraction time. Back-extraction of parabens from chloroform into a 50 mM sodium hydroxide solution within 10 s facilitated their direct injection into CE. The analytes were separated at 12 [1]C and 25 kV with a background electrolyte of 25 mM borate buffer containing 5.0% (v/v) acetonitrile. Enrichment factors were in the range of 4.3–10.7 and limits of detec ...
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