## Abstract The microwave energy produced in a cavity of the magnetron was used to extract chlorinated benzenes from water samples. This dynamic extraction method employs a stream of helium. Results were compared with those obtained by liquid‐liquid and the large volume extractions. The microwave e
Microwave extraction in analytical chemistry of pollutants: Polychlorinated biphenyls
✍ Scribed by Onuska, Francis I. ;Terry, Ken A.
- Publisher
- John Wiley and Sons
- Year
- 1995
- Tongue
- English
- Weight
- 593 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0935-6304
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✦ Synopsis
Abstract
The microwave energy produced by a high intensity microwave oven was used to extract polychlorinated biphenyls (PCB) from water samples. This static method was compared with liquid‐liquid extraction to determine the optimum and limiting conditions in extraction processes. The sample size and sample container shape determine the temperature profiles in the sample. Using a 500 mL sample size, the detection limit is in the low ng/L range when an electron capture detector is employed.
📜 SIMILAR VOLUMES
A simple and rapid procedure to extract polychlorinated biphenyls Ž . PCBs from marine sediments by means of microwave energy is proposed. Both spiked and real sediment samples were irradiated with microwaves in a closed-Ž . vessel system while immersed in hexane᎐acetone 1:1 . Factorial design was a