Figure 1.
AZB(COOH)2 (10 ppm in water) plots of trans–cis (forward) isomerisation (a,c,d) and cis–trans (backward) isomerisation (b,d,f). (a,b) UV–Vis absorbance vs. wavelength, (c,d) absorbance (A) vs. time, (e,f) ln(Ainf - At) vs. time.
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