: The figure below is an absorption spectrum for a food dye molecule. wavelength would be best used to measure absorbance in a spectrophotometer? And
: The figure below is an absorption spectrum for a food dye molecule. wavelength would be
best used to measure absorbance in a spectrophotometer? And what color does the solution
appear to be?
0.8
FD&C Red No. 3
0.7-
“Erythrosine”
CHIO,• 2 Na
0.6-
MW = 897.92 g/mole
0.5.
но
0.4-
0.3-
0.2
0.1.
0.
400
450
500
550
600
650
700
Absorbance : 525 nm, green
O 525 nm, red
O 475 nm, orange
O 475 nm, blue
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