attribute | text | details |
deconvolution | ChromaTOF V1.00 (Pegasus Driver 1.61), LECO, St. Joseph, MI, USA | OFFSET:NA; SMOOTHING:NA; WIDTH:2; SN:>10 |
derivatization | MEOX; TMS | METHOXYAMINATION: 60min60°C, 960min20°C; SILYLATION:>60min40°C |
detector | MS-TOF | m/z:50-800; SCANS:30/s; Pegasus III TOF-MS; LECO, St. Joseph, MI, USA |
extraction | methanol:chloroform:water (3:1:1; v/v/v) 15min at 60°C | |
ion source | EI | 70eV |
metabolic inactivation | cut; liquid nitrogen; -80°C | |
partitioning | none | |
RI | ALKANE | C12, C13, C14, C15, C16, C17, C18, C19, C20, C21, C22, C23, C24, C25 |
separation | GC | COLUMN:5%diphenyl-95%dimethylpolysiloxane, 10m, ID:0.18mm, DF:0.18µm, DB-5-MS (J&W Scientific, Folsom, CA, USA); PROGRAM: iso 2min at 70°C, ramp 40°C/min, iso 1min at 320°C; FLOW:Helium, 1.0ml/min: INJECTION:1µL, splitless, 270°C; TRANSFER:250°C; IONSOURCE:200°C |