## Abstract Researchers using electron capture for the detection of explosive vapors currently claim the ability to detect the presence of RDX in Semtex โ a plastic explosive comprising hexahydroโ1,3,5โtrinitroโ1,3,5โtriazane (RDX) in a matrix of styreneโbutadiene copolymer and hydrocarbon oil. The
Analysis of PCBs in Sulfur-Containing Sediments by Off-Line Supercritical Fluid Extraction and HRGC-ECD
โ Scribed by Bowadt, Soren.; Johansson, Berit.
- Book ID
- 120362926
- Publisher
- American Chemical Society
- Year
- 1994
- Tongue
- English
- Weight
- 847 KB
- Volume
- 66
- Category
- Article
- ISSN
- 0003-2700
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A quantitative comparison between off-line supercritical fluid extraction (SFE) and a classical solvent extraction of a limonoid compound is discussed. A two-level, three factor factorial analysis was used to optimize the variables, pressure, temperature, and the length of extraction time. By a stat
## Abstract Nerve agents and two other chemical warfare agents were extracted from spiked soil with supercritical CO~2~. Supercritical fluid extraction (SFE) was used as an offโline technique. The extracts were analyzed with a twoโchannel capillary gas chromatograph, equipped with an autosampler an