A gas chromatography/mass spectrometry (GC/MS) method is described which uses negative ion chemical ionization (NCI) and tandem mass spectrometry (MS/MS) for the determination of eight anabolic steroids in human urine. Eight anabolic steroids were derivatized by heptafluorobutyric anhydride (HFBA),
Determination of phenylurea pesticides in water by derivatization with heptafluorobutyric anhydride and gas chromatography-mass spectrometry
β Scribed by Frank P.M. Karg
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 345 KB
- Volume
- 634
- Category
- Article
- ISSN
- 1873-3778
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