Calibration standards were prepared (by mass) in methanol from gravimetricallyprepared cocaine hydrochloride and BZE tetrahydrate stock ... using a Hewlett Packard (HP) 5890 gas chromatograph interfaced to a HP 5971 mass selective detector. Manual injections (1 uL to 2 uL) of derivatized extracts and calibration standards were made in the splitless injection mode onto a 30 m X 0.25 mm id. DB-5msanbsp;...
Title | : | Evaluation of Analytical Methodologies for Non-intrusive Drug Testing |
Author | : | Janet F. Morrison, Lorna T. Sniegoski, Wesley J. Yoo |
Publisher | : | - 1999 |
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