RETRACTED: Copper(II)-selective fluorimetric bulk optode membrane based on a 1-hydroxy-9,10-anthraquinone derivative having two propenyl arms as a neutral fluorogenic ionophore

The Publisher regrets that this article is an accidental duplication of an article that has already been published in SAA, Volume 63, Issue 1, 1-252, http://dx.doi.org/10.1016/j.saa.2005.02.049. The duplicate article has therefore been withdrawn.The full Elsevier Policy on Article Withdrawal can be found at http://www.elsevier.com/locate/withdrawalpolicy.