attribute | text | details |
deconvolution | Xcalibur program | |
derivatization | MEOX; MSTFA | METHOXYAMINATION: 120min at 37°C; SILYLATION: 30min at 37°C |
detector | MS-QUAD | m/z = 70-600; scans:2/s; DSQ quadrupole mass spectrometer |
extraction | methanol:chloroform | |
ion source | EI | 70eV |
RI | ALKANE | C12, C15, C19, C22, C28, C32, C36 |
separation | GC | COLUMN:5%diphenyl-95%dimethylpolysiloxane, 30+10m, ID:0.25mm, DF:0.25µm, VF-5MS (Varian, Darmstadt, Germany); PROGRAM:injection at 70°C, ramp 1°C/min to 76°C, ramp 6°C/min to 330°C, iso at 330°C for 10min; FLOW:Helium, 1mL/min; INJECTION:1µL, splitless, 230°C; TRANSFER:280°C; IONSOURCE:250°C |