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In accordance with section 1 of REACH Annex XI a study on adsorption / desorption does not to be conducted, as based on the physico-chemical properties and its extremely low water solubility of the major constituents of the substance which can be expected to have a low potential for adsorption and are ubiquitous in the environment. Iron, manganese and zinc are essential elements for humans, animals, plants and microorganisms. However, there are existing studies which can be used in a weight of evidence approach: Harvey et al. 2007 report a mean log Kd of 4.9; 6.6 and 2.7 for sediment, suspended particles and soil, respectively. Marcussen et al. (2008) reports a log Kd,observed range of 3.97-5.66 for sediment. Routh and Ikramuddin (1996) report a log Kd of 4.50 for sediment.

However, data is presented for the lead impurity.

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