Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Markus Eschner"'
Publikováno v:
Energy & Fuels. 31:11651-11659
In this work, a reversed-phase high-temperature comprehensive two-dimensional gas chromatography time-of-flight mass spectrometry (GC × GC–TOFMS) approach for the qualitative and quantitative analyses of crude oils will be presented. The proposed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d03d38602a3e07834b72b2deeda06cd
https://doi.org/10.1021/acs.energyfuels.7b01799
https://doi.org/10.1021/acs.energyfuels.7b01799
Publikováno v:
Fuel 235, 336-338 (2019)
Normal and reversed phase column combinations for comprehensive two-dimensional gas chromatography time-of-flight mass spectrometry were evaluated concerning their suitability for the analysis of common commercial available middle distillates. Compou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6dfe755fc2e37e1272ce2a48cf3f3c46
https://push-zb.helmholtz-muenchen.de/frontdoor.php?source_opus=54079
https://push-zb.helmholtz-muenchen.de/frontdoor.php?source_opus=54079
Autor:
Ralf Zimmermann, Maximilian K. Jennerwein, Thomas Gröger, Aimée Celeste Sutherland, Markus Eschner, Thomas Wilharm
Publikováno v:
Fuel 187, 16-25 (2017)
In this scientific contribution we verified the qualitative and quantitative validity of the DIN EN 12916 or ASTM D6591 based on high performance liquid chromatography with a refractive index detector (HPLC – RID) for the correct determination of a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b4c6927760c2a6bc5b95edb2aa8e8176
https://push-zb.helmholtz-muenchen.de/frontdoor.php?source_opus=49549
https://push-zb.helmholtz-muenchen.de/frontdoor.php?source_opus=49549
Autor:
Thorsten Streibel, E. Kaisersberger, Thomas Groeger, Markus Eschner, Thomas Denner, Ralf Zimmermann, Mohammad R. Saraji-Bozorgzad, Robert Geissler
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 105:859-866
A newly developed measurement technique for evolved gas analysis in thermogravimetry, viz. a thermo balance coupled to comprehensive gas chromatography/single photon ionization mass spectrometry (TG–GC × SPIMS), has been applied to investigate the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::839c97bd3548f5c29635cfbf765efae4
https://doi.org/10.1007/s10973-011-1720-5
https://doi.org/10.1007/s10973-011-1720-5
Autor:
Ralf Zimmermann, Markus Eschner
Publikováno v:
Applied Spectroscopy. 65:806-816
This work describes a fast and reliable method for determination of photoionization cross-sections (PICS) by means of gas chromatography (GC) coupled to single-photon ionization mass spectrometry (SPI-MS). Photoionization efficiency (PIE) data for 69
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b3d1e3a46a3071a1570186bafdf90716
https://doi.org/10.1366/11-06233
https://doi.org/10.1366/11-06233
Publikováno v:
Analytical Chemistry. 83:3865-3872
This work describes the realization of rapid switching between hard electron ionization (EI) and soft single-photon ionization (SPI) integrated in a compact orthogonal acceleration time-of-flight mass spectrometer. Vacuum-ultraviolet (VUV) photons of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db6db156a9df85a153a5edba709af675
https://doi.org/10.1021/ac200356t
https://doi.org/10.1021/ac200356t
Publikováno v:
Analytical and Bioanalytical Chemistry. 398:1435-1445
One- and comprehensive two-dimensional gas chromatography were hyphenated with soft photoionization mass spectrometry. The characteristics of these two- and three-dimensional comprehensive separation techniques are discussed in detail. Using the inno
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7c88af916f004ec79f8ed68c55b1f6bc
https://doi.org/10.1007/s00216-010-4021-0
https://doi.org/10.1007/s00216-010-4021-0
Publikováno v:
Energy Fuels 28, 5670-5681 (2014)
The subject of the presented work was the development of a two-dimensional GCxGC time-of-flight mass spectrometric method (GCxGC-TOFMS) for the complete group-type quantification of petroleum middle distillates. The development of this method was pos
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f8d031f3090610ea1ebac0030bdc47a
https://push-zb.helmholtz-muenchen.de/frontdoor.php?source_opus=32566
https://push-zb.helmholtz-muenchen.de/frontdoor.php?source_opus=32566
Autor:
E. Kaisersberger, Thomas Denner, Ralf Zimmermann, Markus Eschner, Mohammad R. Saraji-Bozorgzad, Thomas Groeger, Robert Geissler, Thorsten Streibel
Publikováno v:
Analytical chemistry. 82(23)
Multi-dimensional analysis (MDA) in analytical chemistry is often applied to improve the selectivity of an analytical device and, therefore, to achieve a better overview of a sample composition. Recently, the hyphenation of thermogravimetry with sing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3bf0741984a31339d8c9e5a7f2ec4e23
https://pubmed.ncbi.nlm.nih.gov/21043436
https://pubmed.ncbi.nlm.nih.gov/21043436
Publikováno v:
Analytical chemistry. 81(17)
The performance of microfluidic glass devices with a monolithically integrated nanospray tip have been evaluated. The nanospray tip is generated directly on the edge of a microfluidic glass chip by a pulling step followed by HF-etching for directed f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6bdcbdbcea7c761ac5da99f4913b4859
https://pubmed.ncbi.nlm.nih.gov/19639956
https://pubmed.ncbi.nlm.nih.gov/19639956