Transcription of LC/MS/MSによる水質試料中の農薬分析法の検討
1 LC/MS/MS GC/MS HPLC/UV -GC/MS LC/MS/MS HPLC MS/MS HPLC/UV -GC/MS LC/MS/MS LC/MS/MS HPLC LC SRM IDL 85 100 LC/MS/MS 200mL Oasis HLB Plus 1mL LC/MS/MSSRM 10 L 4mLEDTA pH= 4 200mL Sep-Pak PS-2 AC-2 1mL AC-2 LC/MS/MSSRM 10 L 5mL 100mL LC/MS/MSSRM 10 L 1mL LC/MS/MS Precursor Ion Type Product{ } (amu) Ion (m/z) Ion (m/z)Acephate 183 Pos.
2 [M+H]+ {Methamidophos} 141 Pos. [M+H]+ 354 Neg. ( 1) 403 Pos. [M+H]+ 352 Pos. ( 2) 354 Pos. [M+H]+ {Methomyl} 162 Pos. [M+H]+ {Methomyl oxime} 105 Pos. [M+H]+ 240 Pos. [M+H]+ (SAP) 397 Pos. [M+H]+ 214 Neg. [M-H] 230 Neg. [M-H] 255 Neg. [M-H] 434 Neg. [M-H] 407 Neg. [M-H] 1:[C2H5 OPO2H]- 2:[2-oxoquinolin+H]+ LC SUPELCO Ascentis C18 ( 50mm 3 m) A: B: B:10%( ) 40 C 10% 10 L LC SUPELCO Ascentis C18 ( 150mm 3 m) A:( DBAA) B: B:10-90%(0-10min.)
3 Gradient) 40 C 10 L LC Waters Golf-Pak HR ( 150mm) B: B:10-90%(0-18min. gradient)-90%(18-20min.) 40 C 20% 10 L SRM SRM SRM SRM
