Zobrazeno 1 - 5
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pro vyhledávání: '"Dirk C. Hinz"'
Autor:
Dirk C. Hinz, Bernd W. Wenclawiak
Publikováno v:
Analytical Letters. 38:2407-2414
A prerequisite for the study of polychlorinated biphenyls (PCBs) is a reliable analytical determination of the substances involved. For this purpose a gas chromatographic (GC) separation method with detection by mass spectrometry (MS) was optimized.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db0f9b6707cc04f96f85cad5f2590b5b
https://doi.org/10.1080/00032710500318064
https://doi.org/10.1080/00032710500318064
Autor:
Bernd W. Wenclawiak, Dirk C. Hinz
Publikováno v:
Fresenius' Journal of Analytical Chemistry. 365:355-360
Carbon dioxide, the most used substance for supercritical fluid extraction, was investigated for its purity. The carbon dioxide containing impurities were concentrated in a cold trapping system and analyzed by GC-FID, -ECD and -MS. It was possible to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71c151ead9bc0853f25ddee8602c605d
https://doi.org/10.1007/s002160051499
https://doi.org/10.1007/s002160051499
Publikováno v:
Fresenius' Journal of Analytical Chemistry. 364:650-653
Superheated water extraction, steam distillation and supercritical fluid extraction (SFE) are compared for extraction of l-menthol, menthone, eucalyptol and other components of peppermint (mentha piperita) leaves. Different temperatures and pressures
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7b2f2284c5f924a2a2f57637053c5b9
https://doi.org/10.1007/s002160051406
https://doi.org/10.1007/s002160051406
Autor:
Dirk C. Hinz
Publikováno v:
Journal of pharmaceutical and biomedical analysis. 43(5)
The usefulness of microwave muffle furnaces for increasing the efficiency of sulfated ash determination through automation was investigated. Substances critical in their behavior were selected as model substances for this purpose: megestrol acetate a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a487b047e486661ed8c92a635c2b501b
https://pubmed.ncbi.nlm.nih.gov/17280812
https://pubmed.ncbi.nlm.nih.gov/17280812
Publikováno v:
Journal of environmental monitoring : JEM. 2(1)
Dechlorination of a nonachloro biphenyl congener with zero-valent iron in water under high temperature and pressure was investigated over time. Temperature has the main influence on the speed of dechlorination. Determination of polychlorinated biphen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::21ff115337fc8ff4a91c2a90fa14f855
https://pubmed.ncbi.nlm.nih.gov/11256641
https://pubmed.ncbi.nlm.nih.gov/11256641