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Glutamine [-H2O] (2TMS) MP

 

Replica Mass Spectra of Glutamine [-H2O] (2TMS) MP

replicalib entry datedetectionmethodspecies
201 May 2001 MS-TOFM[EIGTMS]Solanum tuberosum
401 May 2001 MS-QuadM[2]Standard
530 March 2011  Fiehn_GC_2010 
3 spectrum(a)
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Spectrum Details

analyteGlutamine [-H2O] (2TMS) MP
analyte InChI
analyte mass272.49
chromatogram1318EC07
citationWagner C, Sefkow M, Kopka J (2003) Phytochemistry 62, 887-900
authorsKopka J, Max Planck Institute of Molecular Plant Physiology, Department of Molecular Plant Physiology (Prof. Willmitzer L), Am Muehlenberg 1, D-14476 Golm, Germany
lib entry date01 November 2001
metabolite roleMST
retention time (sec)547.56
retention index (VAR5 method, n-alkanes C10–C36)1,537.95 (predicted, according to Strehmel, N. et.al)
base peak (m/z)155
maximal intensity999
mass-intensity-peaks cardinality33 intensities
minimal m/z81
maximal m/z441
download JCAMP DXSpectrumJcampDx.ashx?id=c1bca564-a7ee-4401-85f8-4a3f74dce29c
download MSPSpectrumMsp.ashx?id=c1bca564-a7ee-4401-85f8-4a3f74dce29c

GC-Method

nameM[EIGTMS]
citationWagner C, Sefkow M, Kopka J (2003) Phytochemistry 62, 887-900
attributetextdetails
deconvolutionAMDIS, National Institute of Standards and Technology, Gaithersburg, MD, USADIRECTION:non scanning; WIDTH: 20; SUBTRACTION: two; RESOLUTION: high; SENSITIVITY: medium; SHAPE: high
derivatizationMEOX; TMSMethoxyamination:60min37°C; Trimethylsilylation:>60min37°C
detectorMS-TOFMZ:70-600; SCANS:6/s; Pegasus II TOF-MS; LECO, St. Joseph, MI, USA
extractionmethanol:water (4:1; v/v); 15min70°C 
ion sourceEI70eV
metabolic inactivationcut; liquid nitrogen; -80°C 
partitioningmethanol fraction of a methanol:water:chloroform (approx. 2:2:1, v/v/v) partitioning 
RIALKANEC12, C15, C19, C22, C28, C32, C36
separationGCCOLUMN:5%diphenyl-95%dimethylpolysiloxane (arylene), 30+10m, ID:0.25mm, DF:0.25microm, Rtx-5SilMS Integra-Guard, #NA (Restek, Bad Homburg, Germany); PROGRAM:iso2min80°C, ramp15°C/min, iso2min350°C; FLOW:Helium, 1.0ml/min; INJECTION:1microL, splitless, 230°C, 2min110psi; TRANSFER:250°C; IONSOURCE:200°C

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