Determination of palladium and platinum in seaweed |
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| Authors: | Jae Sam Yang |
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| Institution: | (1) Polar Research Division, Korea Ocean Research & Development Institute, Ansan P.O. Box 29, Seoul 425-600 Seoul, Korea |
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| Abstract: | Palladium and platinum concentrations were determined for twenty two species of seaweed from the California coast, U.S.A.. A new sensitive analytical technique using atomic absorption spectrometry was developed for palladium in seaweed. For the first time, palladium contents in seaweed were obtained. The contents of palladium and platinum varied from 0.09 to 0.61 ng g–1 and 0.25 to 1.75 ng g–1 in dried material, respectively.The average ratio of Pt/Pd found in seaweed was 3.5, while the ratio of Pt/Pd was 4.5 in seawater. Therefore, it is postulated that there is no discrimination for seaweed to accumulate palladium and platinum from the ambient seawater due to the chemical similarity of the metals. |
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