Phosphorimetry of chloro- and nitro-aromatic fungicides

Abstract
Summary Low temperature fluorescence and phosphorescence properties of 19 chloro- and nitro-aromatic fungicides have been investigated. Five compounds (chloroneb, 1-chloro-2,4-dinitronaphthalene, daconil 2787, DCNA and dyrene) show luminescence, strong enough to be used for sensitive analytical procedures. The lowest detection limit (5×10−9 g/ml) is shown by DCNA. In all cases phosphorescence was more intense than fluorescence suggesting the former as the preferred method.