RETRACTED: Kinetic study on photocatalytic degradation of reactive orange 5 solution with phosphotungstic acid

This article has been retracted at the request of the Editor-in-Chief and Authors. Please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).Reason: The authors have plagiarized the Masters thesis of Min Zhu, Dalian Jiaotong University, 2004. They have also duplicated significant parts of a paper published in Central European Journal of Chemistry 6 (2008) 99–105, doi:10.2478/s11532-007-0064-2. One of the conditions of submission of a paper for publication is that authors declare explicitly that their work is original and has not appeared in a publication elsewhere. Re-use of any data should be appropriately cited. As such this article represents a severe abuse of the scientific publishing system. The scientific community takes a very strong view on this matter and we apologize to readers of the journal that this was not detected during the submission process. We thank Professor Xiuhua Zhu (Dalian Jiaotong University) for bringing the thesis plagiarism to our attention.