Zobrazeno 1 - 10
of 180
pro vyhledávání: '"RAYMOND E. MARCH"'
Publikováno v:
Journal of the Serbian Chemical Society, Vol 65, Iss 5-6, Pp 431-438 (2000)
In the present paper a quadrupole ion trap mass spectrometer, coupled with a gas chromatograph, was used to compare the electron impact ionization (EI) and chemical ionization (Cl) technique, in terms of their selectivity in polychlorinated biphenyls
Externí odkaz:
https://doaj.org/article/caed09d0ecd04c24bb50a287db0fe118
Autor:
Raymond E. March
Publikováno v:
Mass spectrometry reviewsREFERENCES.
Two Early Classic period (ca. 250-600 CE) Maya carved, greenstone jade pendants, Specimens A and B, were recovered from the Pacbitun site in Belize in 1987. The specimens were visually similar and may have been cut from a common jade piece. Mass spec
Autor:
John F. J. Todd, Raymond E. March
Publikováno v:
Rapid Communications in Mass Spectrometry. 33:745-766
Upon the death of Peter H. Dawson in 2015, mass spectrometry lost a major figure. Within the area of radiofrequency quadrupole electric fields applied to mass spectrometry, Dawson stands alongside its pioneers Wolfgang Paul, Nobelist and inventor of
Publikováno v:
Journal of Archaeological Science: Reports. 19:526-537
The advent of high mass resolution mass spectrometry and matrix-assisted laser desorption/ionization has presented an opportunity for pursuing determination of elemental compositions and structural characteristics of jade and jade-like materials and,
Publikováno v:
Journal of Chemical Ecology. 44:178-188
In aquatic environments, chemical cues are believed to be associated with prey response to predation risk, yet few basic cue compositions are known despite the pronounced ecological and evolutionary significance of such cues. Previous work indicated
Autor:
Raymond E. March
Publikováno v:
International Journal of Mass Spectrometry. 469:116677
Publikováno v:
International Journal of Mass Spectrometry. 415:18-28
A simple method is presented for identifying and confirming the components, or isotopic fine structure, of mass spectra obtained at ultra-high mass resolution with a Bruker SolariX XR Fourier transform ion cyclotron resonance (FTICR) mass spectromete
Autor:
Raymond E. March
Publikováno v:
Rapid communications in mass spectrometry : RCMREFERENCES. 34
Rationale Two Early Classic period (ca 250-600 CE) Maya carved, greenstone jade pendants, Specimens A and B, were recovered from the Pacbitun site in Belize in 1987. Mass scans of resolution ~600,000 were obtained for the jade pendants and two Britis
Autor:
John F. J. Todd, Raymond E. March
Publikováno v:
International Journal of Mass Spectrometry. 377:316-328
Just as 2013 marks the centenary of the birth of mass spectrometry through the publication of Thomson’s classic book ‘Rays of Positive Electricity and Their Application to Chemical Analyses’, it is also exactly six decades since Paul and Steinw
Publikováno v:
Rapid communications in mass spectrometry : RCM. 32(5)
RATIONALE The Emerald Ash Borer (EAB), Agrilus planipennis, an invasive insect detected in the USA and Canada in 2002, is a threat to ash trees with both ecological and economic implications. Early detection of EAB-infestation is difficult due to lac