Solutions of methylene blue is a dark green powder that produces a blue solution when dissolved in water. Based on the UV-vis spectrum for methylene blue above, what wavelength would be optimal for analysis of methylene blue? Why does methylene blue absorb at 665 nm?
Solutions of methylene blue is a dark green powder that produces a blue solution when dissolved in water. Based on the UV-vis spectrum for methylene blue above, what wavelength would be optimal for analysis of methylene blue? Why does methylene blue absorb at 665 nm?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:7.
Absorbance
O
0.8
O
9
N
2
200
300
400
500
600
665 nm
700
Wevelength (nm)
Solutions of methylene blue is a dark green powder that produces a blue solution when
dissolved in water. Based on the UV-vis spectrum for methylene blue above, what
wavelength would be optimal for analysis of methylene blue? Why does methylene blue
absorb at 665 nm?
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