5 Result(s)
within
Article
H. -J. Petrowitz
Chemistry
Characterization and Evaluation of Materials
Laboratory Medicine
-
Article
Photometrische Bestimmung aromatischer Kohlenwasserstoffe nach Reaktion mit Tetracyanoethylen
A rapid procedure for the quantitative determination of small amounts of aromatic hydrocarbons is described. After reaction with tetracyanoethylene in acetonitrile solution aromatics like benzene- and naphthal...
-
Article
Dünnschicht-Chromatographie von insecticiden und fungiciden Wirkstoffen in öligen Holzschutzmitteln
During the past years a number of new substances with insecticidal and fungicidal properties have been incorporated into oil-borne wood preservatives. Among them are endosulfan (I), tributyl-tin-oxide (II), di...
-
Article
Versuche zur Dünnschicht-Chromatographie von Flavonoiden auf Fertigschichten
The thin-layer chromatographic behaviour of flavonoids as a function of their constitution corresponds fundamentally to the behaviour of the phenols. Analytical conditions for the separation of various flaveno...
-
Article
Zur Dünnschicht-Chromatographie stark adsorbierender Verbindungen
A description is given of the thin-layer chromatography of isomeric mono- and dihydroxynaphthalenes, isomeric hydroxy-naphthoic acids and pentachlorophenol with Gelman-DC-layers SG. It is illustrated how far t...
-
Article
Verfahren zum chromatographischen Nachweis von Hydroxyaldehyden auf Kieselgelschichtplatten
