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Liquid-liquid extraction device and on-line transfer to a gas chromatography apparatus
Liquid-liquid extraction device and on-line transfer to a gas chromatography apparatus
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机译:液-液萃取装置和在线转移至气相色谱仪
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摘要
An extraction device for liquid—liquid extraction of at least one analyte from a sample and on-line transfer of the analyte(s) to a gas chromatography extraction unit, a sample inlet, a sample outlet, and an organic liquid inlet, wherein the extraction device also includes a needle to be connected with a gas chromatography apparatus injector for the on-line transfer of the analyte(s) from the membrane-based extraction unit to the gas chromatography apparatus via the needle, an organic liquid being immobilized as a stagnant phase in a volume of less than 20 &mgr;l in the membrame-based extraction unit.
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