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EC number: 701-315-2
CAS number: -
The log Kd for water is 3.27 (stdev 0.34) and the average Kd is 1862. The log Kd for soil is 1.57 (stdev 0.46) and the average Kd is 37.2.
Two high quality studies have determined the partitioning of Pt between
river water and suspended particulate matter. Both studies showed
relatively consistent results for experiments performed in freshwaters,
and similar partitioning was also observed in both estuarine and marine
water in the key study (Turner et al., 2006; Cobelo-Garcia et al.,
2008). A high quality study of the partitioning of platinum to two soils
and one sediment provides information relevant to the soil compartment
(Sako et al., 2009).
Average partition coefficients have been derived in cases where multiple
partition coefficients are available for the same type of system (e.g.
partitioning to suspended particulate matter in surface waters). The
average values have been derived by calculating the log values of the
individual partition coefficients (Kd). Following log transformation the
mean and standard deviation are calculated to define an "average"
partition coefficient and its associated standard deviation, assuming a
log-normal distribution of Kd values. The log Kd for water is 3.27
(stdev 0.34) and the average Kd is 1862. The log Kd for soil is 1.57
(stdev 0.46) and the average Kd is 37.2.
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