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Simultaneous determination of cocaine and benzoylecgonine in urine by gas-liquid chromatography

✍ Scribed by Von Minden, David L.; D'Amato, Nicholas A.


Book ID
120415283
Publisher
American Chemical Society
Year
1977
Tongue
English
Weight
497 KB
Volume
49
Category
Article
ISSN
0003-2700

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Analysis of cocaine and benzoylecgonine
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## Abstract In this paper, a method was described to determine cocaine (COC) and benzoylecgonine (BZE) in human urine samples by GC‐MS detection. The extraction of analytes from urine samples was achieved in an Oasis hydrophilic–lipophilic balance column (20 mmΓ—3.9 mm id, dp=25 μm; Waters, USA), in