CHROMATOGRAPHIE EN PHASE GAZEUSE CPG PDF

Tygomuro Four major types of hairs were identified, same as described in R. This paper aims to point out the interest and the advantages of multidimensional gas chromatography MDGC for performing trace analysis in complex organic mixtures such as hydrocarbon mixtures, petroleum or oil samples, and typical feeds and products cpf refinery or petrochemical processes. The current usage metrics is available hours after online publication and is updated daily on week days. Density of basiconic sensilla is higher on female than male antennal club and on internal than external face of the club in both sexes. EAG amplitudes to six molecules were higher when the recording electrode was connected onto the internal compared to the external face but the same response profile was obtained on dorsal, central or ventral positions of each club face.

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Tonos Two types of hairs corres-pond to trichoid and basiconic olfactory sensilla. A variety of applications underlines the high interest of these techniques. None of the more complex blends was more efficient.

IFP, 60 6 Abstract. Density of basiconic sensilla is higher on female than male antennal club and on internal than external face of the club in both sexes. Metrics Show article metrics.

Previous article Next article. Bertoncini 1C. Semiochemical-based trapping can play an important role in the integrated management of this pest but the necessity of using plant material as a synergist of the aggregation phero-mone has limited the efficacy and development of the trapping in desert areas. Coupled gas chromatography — mass spectrometry GC-MS was used to identify the components of the odours of date palm stem isolated by effluvia collection.

Data correspond to usage on the plateform after A morphofonctional study of the antenna by scanning electronic microscopy SEM and elec-troantennography EAG was realised prior to GC-EAG to verify whether there is an olfactory regionalisation on the antennal club.

In order to use a synthetic pheromone synergist we screened by field trapping chromatoggaphie synergistic effect of molecules identified: Have you forgotten your login? The pherosyner-gistic effects of two blends based on the analyses of odours from date palm, one blend of EAG active molecules and 21 blends based on 52 molecules reported from the literature were studied. Current usage metrics About article metrics Return to article.

Trace Analysis in the Petroleum Industry. The mixture of etha-nol and ethyl chrkmatographie is a simple, cheap and interesting blend as an alternative for plant baits for R. A description of typical instrumentation is given with emphasis on recent developments and improvements in MDGC.

EAG amplitudes to six molecules were higher when the recording electrode was connected onto the internal compared to the external face but the same response profile was obtained on dorsal, central or ventral positions of each club face.

Four major types of hairs were identified, same as described in R. Services Articles citing this article CrossRef The current usage metrics is available hours after online publication and is updated daily on week days. Among all blends, a mixture of ethanol and ethyl acetate Multidimensional gas chromatography could therefore provide an enhancement of detection capacity leading to a better identification and quantification of trace components.

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