## Abstract A rapid and sensitive liquid chromatography–tandem mass spectrometry (LC/MS/MS) method to determine levonorgestrel in human plasma was developed and fully validated. After hexane–ethyl acetate (70:30, v/v) induced extraction from the plasma samples, levonorgestrel was subjected to LC/MS
A mass spectroscopic study of water association in acetonitrile by a new liquid expansion method
✍ Scribed by Nobuyuki Nishi; Kazunori Yamamoto; Hisanori Shinohara; Umpei Nagashima; Tohru Okuyama
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 374 KB
- Volume
- 122
- Category
- Article
- ISSN
- 0009-2614
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