attribute | text | details |
deconvolution | AMDIS, National Institute of Standards and Technology, Gaithersburg, MD, USA | |
derivatization | MEOX; TMS | Methoxyamination:90min37°C; Trimethylsilylation:30min37°C |
detector | MS-TRAP | MZ:50-550; SCANS:2/s; PolarisQ; Thermo-Finnigan, Dreieich, Germany |
extraction | methanol:water (4:1; v/v); 70°C | |
ion source | EI | 70eV |
metabolic inactivation | filtration; liquid nitrogen; lyophilization | |
partitioning | none | |
RI | ALKANE | C12, C15, C18, C19, C22, C28, C32, C36 |
separation | GC | COLUMN:5%diphenyl-95%dimethylpolysiloxane, 30m, ID:0.25mm, DF:0.25microm, EQUITY-5, #NA (Supelco, Bellfonte, CA, USA); PROGRAM:iso3min80°C, ramp3°C/min, iso1min300°C; FLOW:Helium, 0.6ml/min; INJECTION:1microL, splitless, 250°C; TRANSFER:250°C; IONSOURCE:200°C |