-
Article
The hydroxyskatoles
Synthesen und Eigenschaften von 4-, 5-, 6- und 7-Hydroxyskatol werden beschrieben.
-
Article
Identification of Polychlorinated Biphenyls and DDT in Mixtures by Mass Spectrometry
RECENTLY it was recognized that certain chlorinated aromatic compounds, particularly polychlorinated biphenyls (PCBs), are found in natural samples as pollutants1,2. PCBs interfere with the analysis for chlorinat...
-
Article
Identification of organochlorine pesticides in crude extracts by mass spectrometry
A method is described for identifying a chlorinated pesticide in crude extracts (i) at 1 ppm by low resolution mass spectrometry with the aid of a recently developed temperature controlled probe and (ii) at 0....
-
Article
Phosphorimetry of chloro- and nitro-aromatic fungicides
Low temperature fluorescence and phosphorescence properties of 19 chloro- and nitro-aromatic fungicides have been investigated. Five compounds (chloroneb, 1-chloro-2,4-dinitronaphthalene, daconil 2787, DCNA an...
-
Article
Retention times and electron-capture detector responses of some individual chlorobiphenyls
-
Article
Polychlorinated biphenyls: Synthesis of some individual chlorobiphenyls
-
Article
Polychlorinated Biphenyls: Photolysis of 2,4,6,2′,4′,6′-Hexachlorobiphenyl
MANY aromatic organochlorine compounds are readily utilized or otherwise decomposed by a number of specific microorganisms. In the environment, however, these compounds are relatively stable and resistant to g...
-
Article
Polychlorinated terphenyls in the environment
-
Article
A general method for the preparation of tritiated polychlorobiphenyls of high specific activity: 2,2′,5,5′-tetrachlorobiphenyl-[3H] and 2,2′,4,4′,5,5′-hexachlorobiphenyl-[3H]
-
Article
Quantitative analysis of 3-indoleacetic acid and serotonin by in situ fluorescence on thin-layer chromatograms
The characterization and quantitation of indoles by thin-layer chromatography followed by fluorometric scanning of the chromatographed species on the thin-layer provides a rapid and sensitive method of analysi...
-
Article
Electron-donor-acceptor complexing reagents in the analysis of pesticides. VI
Pesticides may be detected following thin-layer chromatography by spraying the chromatogram with a reagent which forms aπ-complex with the pesticide. The effect of various pesticide structures and substituents in...
-
Chapter
Ion Kinetic Energy Spectroscopy: A New Mass Spectrometric Method for the Unambiguous Identification of Isomeric Chlorophenols
Ion kinetic energy (IKE) spectroscopy is a technique which records the ionic decompositions which occur in the first field-free region of the mass spectrometer prior to the electric sector1,2. These ions can be r...
-
Article
Identification of 4-chloro-4′-hydroxybiphenyl and 4,4′-dichloro-3-hydroxybiphenyl as metabolites of 4-chloro- and 4,4′-dichlorobiphenyl fed to rats
Identifizierung und Strukturaufklärung zweier Metaboliten von 4-Chorbiphenyl und 4,4′-Dichlorbiphenyl mittels NMR-Spektroskopie.
-
Article
Presence of PCB, DDE and DDT in human milk in the provinces of New Brunswick and Nova Scotia, Canada
PCB, p,p′-DDE and p,p′-DDT residue levels were measured in human milk from New Brunswick and Nova Scotia. Preliminary results indicate that the levels of p,p′-DDT and p,p′-DDE are higher in the former area, po...
-
Article
Identification of metabolic dechlorination of highly chlorinated biphenyl in rabbit
CHLOROBIPHENYLS with one to four chlorine atoms per molecule are metabolised by certain animals, plants and microorganisms but the more highly chlorinated biphenyls are rather resistant to metabolic change1.
-
Article
Determination of pentachlorophenol and chlorobiphenylols in biological samples
Pentachlorophenol is detectable in samples of aquatic fauna from relatively clean areas. The levels are probably not significant toxicologically.
-
Article
Metabolism of 4-chlorobiphenyl by lichens
Eighteen lichens from a variety of habitats were treated with 4-chlorobiphenyl (4-CB). All, as determined by means of radioactive tracers, were shown to partially convert 4-CB to 4-chloro-4′-hydroxybiphenyl. O...
-
Article
Buchbesprechungen
-
Article
Buchbesprechungen
-
Article
Uptake of chloro- and bromobiphenyls, hexachloro- and hexabromobenzene by fish
No major differences between the accumulation of di- and tetra-, bromo- and chlorobiphenyls by fish are apparent. In contrast to hexachlorobenzene, hexabromobenzene is not accumulated either from water or from...
