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Abstract
The efficiency of microwave-assisted extraction was evaluated for the determination of flame retardants in acrylonitrile butadiene styrene by optimization of the temperature, time, and solvent. A quality control sample containing 500 milligrams per kilogram Dechlorane Plus, 1000 milligrams per kilogram tetrabromobisphenol A, and 1000 milligrams per kilogram triphenyl phosphate was employed. The flame retardant concentrations obtained by microwave-assisted extraction at 120 degrees Celsius for ten minutes in tetrahydrofuran were in agreement with those for the quality control sample. The efficiency of microwave-assisted extraction was comparable to ultrasonic and Soxhlet extraction used as reference techniques. In addition, the repeatabilities of the analyses, represented as relative standard deviations, were comparable: 0.8–3.4 percent for microwave-assisted extraction, 0.3–3.3 percent for ultrasonic extraction, and 0.2–8.5 percent for Soxhlet extraction. These results suggest that microwave-assisted extraction is suitable for the determination of Dechlorane Plus, tetrabromobisphenol A, and triphenyl phosphate in acrylonitrile butadiene styrene.