期刊
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
卷 402, 期 3, 页码 1383-1388出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00216-011-5572-4
关键词
Dispersive liquid-liquid microextraction; Multisyringe flow injection analysis; Sample treatment automation; Monolithic columns; Long pathlength spectrophotometry
资金
- Ministerio de Ciencia y Tecnolog a (Spain) [CTQ2010-15541]
This paper describes the development of a new multisyringe flow injection analysis set-up that enables the complete automation of the dispersive liquid-liquid microextraction (DLLME) technique using solvents lighter than water. Its hyphenation with a liquid chromatographic separation is implemented using a single multisyringe pump obtaining a compact, simple, easy to operate, and fast instrument. DLLME is carried out with a throughput of 42 h(-1) and DLLME for the extraction of benzo(a)pyrene and its subsequent chromatographic determination can be carried out with an analysis throughput of 7 h(-1).
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