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Lactose (1MEOX) (8TMS) MP

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Replica Mass Spectra of Lactose (1MEOX) (8TMS) MP

replica	lib entry date	detection	method	species
1	22 February 2005	MS-TOF	M[STR]
2	01 January 2003	MS-Quad	M[2]	Standard
16	28 August 2012		MassBank GC 2010 Tsujimoto
3	12 May 2005		M[NIST]
18	28 August 2012		MassBank GC 2010 Ara
5	19 July 2007	MS-TOF	MDN35	Reference Substance
17	28 August 2012		MassBank GC 2010 Tsujimoto
6	22 January 2005	MS-QUAD	M[ROE]
7	19 July 2007	MS-TOF	VAR5	Reference Substance
8	01 May 2001	MS-TOF	M[EIGTMS]	Nicotiana tabacum
18 spectrum(a)
Page of 2 Results per page:

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Spectrum Details

analyte	Lactose (1MEOX) (8TMS) MP
analyte InChI	InChI=1S/C37H89NO11Si8/c1-39-38-26-29(44-52(8,9)10)33(46-54(14,15)16)32(31(45-53(11,12)13)28-41-51(5,6)7)43-37-36(49-57(23,24)25)35(48-56(20,21)22)34(47-55(17,18)19)30(42-37)27-40-50(2,3)4/h26,29-37H,27-28H2,1-25H3/b38-26+
analyte mass	948.79
chromatogram	1344EC76
citation	Wagner C, Sefkow M, Kopka J (2003) Phytochemistry 62, 887-900
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	01 November 2001
metabolite role	METB
retention time (sec)
retention index (VAR5 method, n-alkanes C10–C36)	2,681.58 (predicted, according to Strehmel, N. et.al)
base peak (m/z)	73
maximal intensity	999
mass-intensity-peaks cardinality	205 intensities
minimal m/z	70
maximal m/z	482
download JCAMP DX	SpectrumJcampDx.ashx?id=52c61f3f-b095-4712-958f-524ce8c4bbe9
download MSP	SpectrumMsp.ashx?id=52c61f3f-b095-4712-958f-524ce8c4bbe9

GC-Method

name	M[EIGTMS]
citation	Wagner C, Sefkow M, Kopka J (2003) Phytochemistry 62, 887-900

attribute	text	details
deconvolution	AMDIS, National Institute of Standards and Technology, Gaithersburg, MD, USA	DIRECTION:non scanning; WIDTH: 20; SUBTRACTION: two; RESOLUTION: high; SENSITIVITY: medium; SHAPE: high
derivatization	MEOX; TMS	Methoxyamination:60min37°C; Trimethylsilylation:>60min37°C
detector	MS-TOF	MZ:70-600; SCANS:6/s; Pegasus II TOF-MS; LECO, St. Joseph, MI, 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: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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