Summary
During a period of almost one year airborne dust was collected at the area of ISAS, Dortmund. The total platinum content varied from 0.6 to 130 µg/kg, respectively from 0.02 to 5.1 pg/m3. The impactor measurements resulted in an equal distribution of platinum in combination with particle sizes ranging between 0.5 and 8 µm. The lowest concentrations were observed for the larger particles (>8μm). The “soluble platinum” in airborne dust was determined to be 30 to 43% of the total amount of platinum and 2.5 to 6.9% in tunnel dust.
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Dedicated to Professor Dr. Wilhelm Fresenius on the occasion of his 80th birthday
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Alt, F., Bambauer, A., Hoppstock, K. et al. Platinum traces in airborne particulate matter. Determination of whole content, particle size distribution and soluble platinum. Fresenius J Anal Chem 346, 693–696 (1993). https://doi.org/10.1007/BF00321274
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DOI: https://doi.org/10.1007/BF00321274