Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Arnd C. Heiden"'
Autor:
Kristin V. Czapiewski, J. Wildt, Arnd C. Heiden, Ralf Koppmann, Klaus Kobel, Min Shao, Michael Komenda
Publikováno v:
Journal of geophysical research / Atmospheres 106, 20483-20492 (2001). doi:10.1029/2000JD000248
The mechanisms of volatile organic compound (VOC) emissions from Scots pine (Pinus sylvestris L.) were investigated in laboratory experiments. The plants emitted mainly monoterpenes and acetone. Isoprene was emitted only in small amounts, but the mec
Autor:
Andreas Hoffman, Satoru Yamashita, Nobuo Ochiai, Masahiko Takino, Kikuo Sasamoto, Arnd C. Heiden, Shigeki Daishima
Publikováno v:
The Analyst. 126:1652-1657
A method for the determination of trace amounts of off-flavor compounds including 2-methylisoborneol, geosmin and 2,4,6-trichloroanisole in drinking water was developed using the stir bar sorptive extraction technique followed by thermal desorption-G
Publikováno v:
Journal of chromatography. A. 986(1)
A method for the determination of stale-flavor carbonyl compounds including E-2-octenal, E-2-nonenal, E,Z-2,6-nonadienal and E,E-2,4-decadienal in beer was developed using stir bar sorptive extraction (SBSE) with in-situ derivatization followed by th
Publikováno v:
Journal of chromatography. A. 963(1-2)
The technique of stir bar sorptive extraction is used for the determination of polycyclic aromatic hydrocarbons (PAH) in aqueous samples. The PAHs are extracted with 10-mm stir bars (Gerstel Twister) coated with 0.5 mm polydimethylsiloxane and analyz
Autor:
Kikuo Sasamoto, Shigeki Daishima, Satoru Yamashita, Nobuo Ochiai, Arnd C. Heiden, Masahiko Takino, Andreas Hoffmann
Publikováno v:
Analytical and bioanalytical chemistry. 373(1-2)
A method for the simultaneous determination of seven preservatives - sorbic acid, benzoic acid, and p-hydroxybenzoic acid ethyl, isopropyl, propyl, isobutyl, and butyl esters - in beverages, vinegar, aqueous sauces, and quasi-drug drinks has been dev