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Determination of 7-aminoflunitrazepam in urine by dispersive liquid–liquid microextraction with liquid chromatography–electrospray-tandem mass spectrometry

✍ Scribed by Mahaveer B. Melwanki; Wei-Shan Chen; Hsin-Yu Bai; Tzuen-Yeuan Lin; Ming-Ren Fuh


Book ID
116903497
Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
213 KB
Volume
78
Category
Article
ISSN
0039-9140

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## Abstract A specific LC‐MS‐MS method for the determination of dopamine and serotonin (5‐hydroxytryptamine; 5HT) in human urine is described. The analytes were extracted from urine and preconcentrated by microextraction in a packed syringe (MEPS). The new method is very promising, very easy to use