What wavelength is most suitable for quantitative analyses for an analyte exhibiting the UV-Vis Spectrum shown below (which has an interfering analyte with the spectrum shown in a dashed line)? Explain why? 1.0r B 0.75 0.50- E 0.25 350 400 450 500 550 600 650 Wavelength, nm Figure 3-19 Choice of experimental wavelength. Solid line: measured species. Dashed line: interfering species. See text for details. Absorbance

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