Zobrazeno 1 - 10
of 53
pro vyhledávání: '"Toshikazu Tsuchiya"'
Autor:
Toshikazu Tsuchiya, Manabu Takeuchi
Publikováno v:
NIP & Digital Fabrication Conference. 20:534-537
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7cfe77fef0d34655ed83c0ce7596a2c5
https://doi.org/10.2352/issn.2169-4451.2004.20.1.art00005_2
https://doi.org/10.2352/issn.2169-4451.2004.20.1.art00005_2
Publikováno v:
Journal of the Mass Spectrometry Society of Japan. 31:51-54
The amount of kinetic energy released in the metastable ion reaction M+ → [M-NO]+ + NO· has been determined for several substituted nitrobenzenes by scanning the electric sector voltage of a double focusing mass spectrometer. The order of the amou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ba6dca2fd25f803ff3f26d1bc8e2bd7
https://doi.org/10.5702/massspec.31.51
https://doi.org/10.5702/massspec.31.51
Publikováno v:
Journal of the Mass Spectrometry Society of Japan. 34:99-105
Fragmentation process of 1,2-([1]), 1,3-([2]) and 1,4-([3]) benzenedicarboxylic acid dimethyl esters by electron impact has been investigated by using deuterium labelling techniques, ion kinetic energy and mass analyzed ion kinetic energy spectra. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc564d84f3d1e938b86c972c94169061
https://doi.org/10.5702/massspec.34.99
https://doi.org/10.5702/massspec.34.99
Publikováno v:
Journal of the Mass Spectrometry Society of Japan. 29:365-370
The formation of an [M+1]+ ion and the fragmentation of isopropyl o-toluate have been further investigated by measuring the mass spectrum of CD3C6H4COOC3H7(d3). The hydrogen atom, which is involved in the [M+1]+ ion formation, originates mainly from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dc0467946af87d9b1e8153ff48e1b664
https://doi.org/10.5702/massspec.29.365
https://doi.org/10.5702/massspec.29.365
Publikováno v:
Organic Mass Spectrometry. 19:326-329
The substituent effect on the single and double hydrogen atom transfer reactions in para-substituted benzoic acid isobutyl esters has been investigated by electron impact mass spectrometry. Electron-donating substituents favour formation of the [MC4H
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79673f4561ea82e6fbfe4c32f5aa054a
https://doi.org/10.1002/oms.1210190707
https://doi.org/10.1002/oms.1210190707
Publikováno v:
Chemistry Letters. 6:203-206
The average translational energy of ions has been readily measured by applying a variable retarding potential of negative voltage to the repeller electrode. The measured value of the methyl ion from acetonitrile at the threshold is in fair agreement
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc33fc6f78b0b60fe0338c6c7f0bdfea
https://doi.org/10.1246/cl.1977.203
https://doi.org/10.1246/cl.1977.203
Publikováno v:
Bulletin of the Chemical Society of Japan. 50:3103-3106
The mass spectra of 1-alkenes ranging from C5 to C10 were measured at temperatures of the ion source 120–250 °C. Fragmentation M+\oversetm28→(M–28)+ and M+\oversetm28→(M–29)+, where m28 and m29 denote the metastable peaks of the fragmentat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef708aaef8e69c0f4fae61fa6a76bc49
https://doi.org/10.1246/bcsj.50.3103
https://doi.org/10.1246/bcsj.50.3103
Publikováno v:
Organic Mass Spectrometry. 15:609-612
The temperature effect on the single and double hydrogen atom transfer reactions in o-, m- and p-toluic acid n-butyl esters and isobutyl esters has been investigated. For the meta and para isomers, the abundance of the m/z 137 ion [C8H9O2]+ generated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46dc7901671f726d5aa1e599672b936f
https://doi.org/10.1002/oms.1210151204
https://doi.org/10.1002/oms.1210151204
Publikováno v:
Organic Mass Spectrometry. 14:499-502
Single and double hydrogen atom transfers in reactions (1) and (2) in the mass spectra of ethyl benzoate, isopropyl benzoate, and isobutyl benzoate have been investigated with reference to the ortho effect: (1) [C6H5CO2R]+⋅ [C6H5CO2H]+⋅ (m/z 122)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5ea1b7083cf94282e1be2b4a7a9b769
https://doi.org/10.1002/oms.1210140908
https://doi.org/10.1002/oms.1210140908
Autor:
Susumu Tajima, Toshikazu Tsuchiya
Publikováno v:
Organic Mass Spectrometry. 9:265-273
The structure and decomposition of the [C7H7]+ ions produced by electron-impact from o-, m- and p-chlorotoluene, o-, m- and p-bromotoluence, and p-iodotoluence, have been investigated. By determining the relative abundance of normal and metastable io
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8462ed93504faab486e0bbdfc1534da
https://doi.org/10.1002/oms.1210090302
https://doi.org/10.1002/oms.1210090302