Journal Pre-proof An optimized density-based approach for extracting microplastics from soil and sediment samples Xiaoxin Han, Xueqiang Lu, Rolf D. Vogt PII: S0269-7491(19)32572-2 DOI: https://doi.org/10.1016/j.envpol.2019.113009 Reference: ENPO 113009 To appear in: Environmental Pollution Received Date: 16 May 2019 Revised Date: 1 August 2019 Accepted Date: 2 August 2019 Please cite this article as: Han, X., Lu, X., Vogt, R.D., An optimized density-based approach for extracting microplastics from soil and sediment samples, Environmental Pollution (2019), doi: https:// doi.org/10.1016/j.envpol.2019.113009. This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2019 Published by Elsevier Ltd.