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Gallic acid (4TMS)

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Replica Mass Spectra of Gallic acid (4TMS)

replica	lib entry date	detection	method	species
1	12 May 2005		M[NIST]
11	28 August 2012		MassBank GC 2010 Tsujimoto
10	30 March 2011		Fiehn_GC_2010
4	24 October 2003	MS-Quad	M[2]	Reference Substance
6	12 May 2005		M[NIST]
7	12 May 2005		M[NIST]
12	05 June 2013		MRI_2013
7 spectrum(a)

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Spectrum Details

analyte	Gallic acid (4TMS)
analyte InChI	InChI=1S/C19H38O5Si4/c1-25(2,3)21-16-13-15(19(20)24-28(10,11)12)14-17(22-26(4,5)6)18(16)23-27(7,8)9/h13-14H,1-12H3
analyte mass	458.84
chromatogram	4029BB19
citation
authors	Kopka 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 date	14 September 2004
metabolite role	METB
retention time (sec)	1,697.04
retention index (VAR5 method, n-alkanes C10–C36)	1,945.87 (predicted, according to Strehmel, N. et.al)
base peak (m/z)	73
maximal intensity	999
mass-intensity-peaks cardinality	101 intensities
minimal m/z	45
maximal m/z	573
download JCAMP DX	SpectrumJcampDx.ashx?id=d1ae953e-ca77-4a62-9416-ba00ae8ecb9f
download MSP	SpectrumMsp.ashx?id=d1ae953e-ca77-4a62-9416-ba00ae8ecb9f

GC-Method

name	M[2]
citation	Roessner U, Wagner C, Kopka J, Trethewey RN, Willmitzer L (2000) Plant J 23, 131-142

attribute	text	details
deconvolution	AMDIS, National Institute of Standards and Technology, Gaithersburg, MD, USA	DIRECTION:Low to High; WIDTH: 20; SUBTRACTION: two; RESOLUTION: low; SENSITIVITY: low; SHAPE: low
derivatization	MEOX; TMS	Methoxyamination:60min37°C; Trimethylsilylation:>45min37°C
detector	MS-Quad	m/z = 35-600; scans:2/s; MD 800 Thermo-Finnigan, San Jose, CA, USA
extraction	methanol:water (4:1; v/v); 15min70°C
ion source	EI	70eV
metabolic inactivation	cut; liquid nitrogen; -80°C
partitioning	methanol fraction of a methanol:water:chloroform (approx. 2:2:1, v/v/v) partitioning
RI	ALKANE	C12, C15, C19, C22, C28, C32, C36
separation	GC	COLUMN:5%diphenyl-95%dimethylpolysiloxane (arylene), 30+10m, ID:0.25mm, DF:0.25microm, Rtx-5SilMS Integra-Guard, #NA (Restek, Bad Homburg, Germany); PROGRAM:iso1min70°C, ramp9°C/min, iso5min350°C; FLOW:Helium, 0.6ml/min; INJECTION:1microL, splitless, 230°C; TRANSFER:250°C; IONSOURCE:250°C

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