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Aufarbeitung von Meerestieren für die Bestimmung von PCB, DDT, DDE, DDD, γ-HCH und HCB
Frozen tissues are homogenized with quartz sand and Na2SO4. The resulting tissue powder is subjected to a cold extraction procedure with n-hexane/acetone (2∶1) in a glass column. Clean-up of extractsExpand
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Application of a pulse-type micro-reactor connected to a capillary chromatograph for the investigation of thermal and catalytic conversions
SummaryHigh temperature reactions are investigated using pulse-type microreactors connected to a capillary gas chromatograph. The equipment can be adapted to a specific problem by the application ofExpand
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Zur Kopplung von katalytischen Mikroreaktoren mit Trennkapillaren
SummaryUsing the system depicted in figure 4, consisting of a pulse-type microreactor coupled to a highresolving capillary we are able to analyze the resultant product mixtures. A cold trap isExpand
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GEOENVIRONMENTAL CHARACTERIZATION AND LAND USE IN THE PURUS NATIONAL FOREST, WESTERN AMAZON, BRAZIL: A CONTRIBUTION TO THE MANAGEMENT PLAN
The Purus National Forest (PNF) is a Conservation Unit (CU) located in the Amazon State, Brazil, and comprises 256 000 ha of highly preserved rainforest as well as several traditional populationExpand
Analysis of hydrocarbons in coals by means of a microthermodesorption —capillary gas chromatography combination
Abstract Gas chromatographic analysis of hydrocarbons with a commercial thermodesorption unit as injection device and intermediate trapping is applied to a series of coal samples. Nine coals ofExpand
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