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Ultrasonic extraction of heavy metals from environmental and industrial hygiene samples for their subsequent determination1This article was prepared by US government employees as part of their official duties, and therefore legally may not be copyrighted in the United States of America.12Disclaimer: Mention of company names or products does not constitute endorsement by the Centers for Disease Control and Prevention.2

Extractive MetallurgyHeavy MetalsForensic ChemistryTechnologyUnited StatesUltrasonic ExtractionIntellectual Property