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A simple and rapid analytical tech nique for the simultaneous determination of 16 polycyclic aromatic hydrocarbons (PAHs) in grilled meat was developed using microwave-assisted extraction and dispersive liquid–liquid microextraction (MAE–DLLME) followed by gas chromatography–mass spectrometry (GC–MS). The effective parameters in DLLME process were optimized. Good linear relationships were obtained...
A new method based on dispersive liquid–liquid microextraction (DLLME) followed by high-performance liquid chromatography (HPLC) for determination of benzoate and sorbate salts in yogurt drinks was developed. The effective parameters in DLLME process, including volume of extraction and disperser solvents, pH and salt effect, were optimized using response surface methodology (RSM) based on central...
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