2015
DOI: 10.46770/as.2015.03.006 View full text |Buy / Rent full text
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Abstract: A Fe 3 O 4 nanoparticle and ultrasonic coupled dispersive liquidliquid microextraction (NPsU-DLLME) method was developed for the preconcentration of lead from water, tobacco, and fertilizer samples. Imidazole-2,4-dicarboxylic acid was used as the chelating agent and carbon tetrachloride as the extractor solvent. Addition of certain amounts of Fe 3 O 4 nanoparticles and specific exposure periods to ultrasonic waves were optimized. Maximum recovery (%) was obtained using the following conditions: 17.5 mL sample … Show more

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