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Replica Mass Spectra of Alanine, 15N- (2TMS)
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Spectrum Details
GC-Method
name | VAR5 |
citation | Kopka J, Max Planck Institute of Molecular Plant Physiology, Department of Molecular Plant Physiology (Prof. Willmitzer L), Am Muehlenberg 1, D-14476 Golm, Germany |
attribute | text | details |
deconvolution | ChromaTOF | OFFSET: "just above noise"; SMOOTHING: 20; PEAK WIDTH: 6; S/N: 2 |
derivatization | MEOX; TMS | METHOXYAMINATION: 90min at 30°C; TRIMETHYLSILYLATION: 30min at 37°C |
detector | MS-TOF | m/z = 70-600; scans:20/s; Pegasus III TOF mass spectrometer |
extraction | water:chloroform | (2:1; v/v) 15min at 70°C |
gas chromatograph | Agilent GC 6890 | |
ion source | EI | 70eV |
mass spectrometry instrument | Pegasus III TOF mass spectrometer | |
metabolic inactivation | shock-frozen in liquid nitrogen | |
RI | ALKANE | C10, C12, C15, C18, C19, C22, C28, C32, C36 |
separation | GC | COLUMN:5%phenyl-95%dimethylpolysiloxane, 30+10m, ID:0.25mm, DF:0.25µm, 5PDM VF-5ms (Varian, Darmstadt, Germany); PROGRAM:iso1min 70°C, ramp 9°C/min, iso 5min 350°C; FLOW:Helium, 0.6mL/min; INJECTION:1µL, splitless, 230°C; TRANSFER:250°C; IONSOURCE:250°C |
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