Research Article

Electrochemiluminescence Study of Europium (III) Complex with Coumarin3-Carboxylic Acid

Figure 5

ECL spectra of system containing (  mol dm−3). (a) and + E (S (  mol dm−3). (b) Experimental conditions: Al/A as a working electrode, Pt wire as a counter electrode, applied pulse voltage −50 V, frequency 40 Hz, pulse charge 30  C, pH of solution 4.5.
131702.fig.005a
(a)
131702.fig.005b
(b)