title: Retraction notice to 'Effect of thiols enrichment on Cr(VI) photo-reduction by natural organic matter (NOM) [Chemosphere 151C (2015) 234-240]'.
authors: Department of Chemistry, University of Science and Technology of China, Hefei 230026, China; Environmental Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, USA; School of Civil and Environmental Engineering, Nanyang Technological University, 639798, Singapore.
authors: Hong-Wei
authors: HW
authors: Luo