Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Hans-Joachim Kupka"'
Autor:
Lutz Lange, François Martineau, Charles Ojeimi, Christophe Lécuyer, Mike Seed, François Fourel, Hans-Joachim Kupka
Publikováno v:
Rapid Communications in Mass Spectrometry. 25:2691-2696
We have used a high-precision, easy, low-cost and rapid method of oxygen isotope analysis applied to various O-bearing matrices, organic and inorganic (sulfates, nitrates and phosphates), whose (18)O/(16)O ratios had already been measured. It was fir
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b53f9a226f381d6e0518b64c4a8c22c2
https://doi.org/10.1002/rcm.5056
https://doi.org/10.1002/rcm.5056
Autor:
Andreas Rossmann, Nicole Tanz, Susanne Rummel, Hans-Joachim Kupka, Hans-Peter Sieper, Hanns-Ludwig Schmidt, Tony Williams
Publikováno v:
Rapid Communications in Mass Spectrometry. 20:2521-2527
The isotope ratio of each of the light elements preserves individual information on the origin and history of organic natural compounds. Therefore, a multi-element isotope ratio analysis is the most efficient means for the origin and authenticity ass
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::921729da02f5952ba3410ab9b2672392
https://doi.org/10.1002/rcm.2619
https://doi.org/10.1002/rcm.2619
Autor:
François, Fourel, François, Martineau, Christophe, Lécuyer, Hans-Joachim, Kupka, Lutz, Lange, Charles, Ojeimi, Mike, Seed
Publikováno v:
Rapid communications in mass spectrometry : RCM. 25(19)
We have used a high-precision, easy, low-cost and rapid method of oxygen isotope analysis applied to various O-bearing matrices, organic and inorganic (sulfates, nitrates and phosphates), whose (18)O/(16)O ratios had already been measured. It was fir
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::7c7e349cfdb95b6d1fa10d8b6932d0f3
https://pubmed.ncbi.nlm.nih.gov/21913245
https://pubmed.ncbi.nlm.nih.gov/21913245
Autor:
Hans-Joachim Kupka, Andreas Roßmann, Lutz Lange, Nicole Tanz, Hanns-Ludwig Schmidt, Hans-Peter Sieper
Publikováno v:
Rapid communications in mass spectrometry : RCM. 24(19)
The quantitative conversion of organically bound oxygen into CO, a prerequisite for the (18)O/(16)O analysis of organic compounds, is generally performed by high-temperature conversion in the presence of carbon at ∼1450°C. Since this high-temperat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::51b86c173b9b1f45b6a39932ccac02be
https://pubmed.ncbi.nlm.nih.gov/20857445
https://pubmed.ncbi.nlm.nih.gov/20857445