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Chitosan-poly(m-phenylenediamine)@Fe3O4 nanocomposite for magnetic solid-phase extraction of polychlorinated biphenyls from water samples
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来源：ANALYTICAL AND BIOANALYTICAL CHEMISTRY年份：2014关键词： CS-PPD@Fe3O4 nanocomposite Gas chromatography-triple quadrupole mass spectrometry Magnetic solid-phase extraction Polychlorinated biphenyl
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Ultrasound-assisted emulsification-microextraction for the sensitive determination of ethyl carbamate in alcoholic beverages
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来源：ANALYTICAL AND BIOANALYTICAL CHEMISTRY年份：2013关键词： Ultrasound-assisted emulsification-microextraction Alcoholic beverages Ethyl carbamate Gas chromatography-triple quadrupole mass spectrometry
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Determination of twelve herbicides in tobacco by a combination of solid-liquid-solid dispersive extraction using multi-walled carbon nanotubes, dispersive liquid-liquid micro-extraction, and detection by GC with triple quadrupole mass spectrometry
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关键词： Herbicides Tobacco Multi-walled carbon nanotubes Solid-liquid-solid dispersive extraction Dispersive liquid-liquid micro-extraction Gas chromatography-triple quadrupole mass spectrometry
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