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(5) Liquid chromatography-mass spectrometry (LC-MS)
The LC-MS method has high sensitivity and specificity and has attracted more and more attention recently
1) Barbiturates
Barbiturates are acidic, protons are easily lost under high electric field and negatively charged.
SNT2217-2008 is separated by reversed-phase C 18 chromatographic column, acetonitrile- 0.
2) Benzodiazepines
Qian Xiaodong and others established an LC-MS/MS method for the simultaneous determination of diazepam and its metabolites in aquatic products
3) Phenothiazines
Li Chunfeng et al.
4) Butyrylbenzenes
Fluchard et al.
5) Various types
Zhang et al.
Zhang et al.
Related Links: Determination of Residues of Tranquilizers (3)