Issue Date | Title | Involved Person(s) |
22-Jan-2004 | Laser mass spectrometry as on-line sensor for industrial process analysis : process control of coffee roasting | Dorfner, Ralph; Ferge, Thomas; Yeretzian, Chahan; Kettrup, Antonius; Zimmermann, Ralf |
2003 | Real-time monitoring of 4-vinylguaiacol, guaiacol and phenol during roasting by resonant laser ionisation time-of-flight mass-spectrometry | Dorfner, Ralph; Ferge, Thomas; Kettrup, Anthonius; Zimmermann, Ralf; Yeretzian, Chahan |
2002 | On-line analysis of coffee roasting off-gas with laser ionisation (REMPI and SPI) mass spectrometry measurement at large scale roasting facilities and on-line determination of the roast degree | Dorfner, Ralph; Ferge, Thomas; Yeretzian, Chahan; Kettrup, Antonius; Zimmermann, Ralf |
1997 | On-line monitoring of food volatiles by laser ionization mass spectroscopy (REMPI_TOFMS) : first results for coffee, tea and cocoa | Zimmermann, Ralf; Heger, Hans Jörg; Dorfner, Ralph; Yeretzian, Chahan; Kettrup, Antonius, et al |