Properties and analytical application of room temperature phosphorescence of 1-bromonaphthalene induced by p-octylpolyethylene glycol phenylether in aqueous beta-cyclodextrin solution
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Intense room temperature phosphorescence of 1-bromonaphthalene (1-BrN) induced by p-octylpolyethylene glycol phenylether was studied in aqueous beta-cyclodextrin solution. The mode of inclusion complex formation was approached. The optimal conditions were obtained. Interferences of foreign substances with phosphorescence were examined. The phosphorescence intensity is proportional to the concentration of 1-BrN in the range 0 similar to 5.18 mu g ml(-1). The recovery is 90-102% and the relative standard deviation is less than 4.5%. The proposed method is simple and convenient. (C) 1997 Elsevier Science B.V.