“…Phenazepam can be detected in enzyme-multiplied immunoassay (EMIT) screens (positive result for concentrations !50 mg l À1 ). 3,28 This initial result can be confirmed by GC/MS (LOQ 10 mg l À1 ), 32 UPLC-MS (LOQ 5 mg l À1 ) 3 LC-MS (LOQ 1 mg l À1 ), 33 GC-FID (No LOQ given) 14 and GC-EI-MS (LOQ 20 mg l À1 ). 34 We have also developed methods for the detection of phenazepam in HPLC-DAD and LC-MS (http://www.…”