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Lactic acid (2TMS)

 

Replica Mass Spectra of Lactic acid (2TMS)

replicalib entry datedetectionmethodspecies
111 September 2005  M[FAME4090]Standard
201 August 2002 MS-QuadM[2]Lotus japonicus (Regel) K. Larsen
312 May 2005  M[NIST] 
426 November 2004  M[FAME4090]Standard
1703 November 2010  Schomburg_GC_2010 
1929 April 2011 MS-TOFVAR5 
611 September 2005  M[FAME4090]Standard
701 September 2001 MS-QuadM[2]Standard Addition
812 May 2005  M[NIST] 
912 June 2003 MS-QuadM[2]Standard Addition
20 spectrum(a)
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Spectrum Details

analyteLactic acid (2TMS)
analyte InChIInChI=1S/C9H22O3Si2/c1-8(11-13(2,3)4)9(10)12-14(5,6)7/h8H,1-7H3
analyte mass234.44
chromatogramNA(_27)
citationBarsch A, Patschkowski T, Niehaus K (2004) Funct Integrat Genomics 4, 219-230
authorsBarsch A, Puehse M, Persicke M, Bielefeld University, Department of Molecular Phytopathology (Prof. Niehaus K), D-33501 Bielefeld, Germany
lib entry date12 October 2005
metabolite roleCONT-METB
retention time (sec)589.2
retention index (VAR5 method, n-alkanes C10–C36)1.042,97 (predicted, according to Strehmel, N. et.al)
base peak (m/z)73
maximal intensity999
mass-intensity-peaks cardinality97 intensities
minimal m/z52
maximal m/z384
download JCAMP DXSpectrumJcampDx.ashx?id=2ab97a50-09ce-4b7b-b2b2-576300d40864
download MSPSpectrumMsp.ashx?id=2ab97a50-09ce-4b7b-b2b2-576300d40864

GC-Method

nameM[BAR]
citationBarsch A, Patschkowski T, Niehaus K (2004) Funct Integrat Genomics 4, 219-230
attributetextdetails
deconvolutionAMDIS, National Institute of Standards and Technology, Gaithersburg, MD, USA 
derivatizationMEOX; TMSMethoxyamination:90min37°C; Trimethylsilylation:30min37°C
detectorMS-TRAPMZ:50-550; SCANS:2/s; PolarisQ; Thermo-Finnigan, Dreieich, Germany
extractionmethanol:water (4:1; v/v); 70°C 
ion sourceEI70eV
metabolic inactivationfiltration; liquid nitrogen; lyophilization 
partitioningnone 
RIALKANEC12, C15, C18, C19, C22, C28, C32, C36
separationGCCOLUMN: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

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