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Fig. 1 | Environmental Sciences Europe

Fig. 1

From: Revising REACH guidance on information requirements and chemical safety assessment for engineered nanomaterials for aquatic ecotoxicity endpoints: recommendations from the EnvNano project

Fig. 1

Reprinted with permission from Sørensen et al. [78]. Copyright (2016) American Chemical Society

Influence of incubation periods and media on size distributions determined by different methods. Size distributions after different incubation periods (1–48 h) for Pt nanoparticles suspended in TAP4 (4× diluted tris–acetate-phosphate) medium (top row) and ISO medium (bottom row) determined by different methods. a Suspensions of 4 mg Pt/L analyzed by Asymmetric Flow Field-Flow Fractionation (AsFlFFF); b Suspensions of 30 mg Pt/L analyzed by Dynamic Light Scattering (DLS); c Suspensions of 80 mg Pt/L analyzed by Nanoparticle Tracking Analysis (NTA).

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