RETRACTED: Preparation of magnetic mesoporous poly-melamine-formaldehyde composite for efficient extraction of chlorophenols

This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/our-business/policies/article-withdrawal). This article has been retracted at the request of the authors and the Editor-in-Chief. The article reports the synthesis of basically the same adsorbent as reported by the authors in another publication published in Microchimica Acta, 185 (2018) 19 https://doi.org/10.1007/s00604-017-2593-5....