1.2 In the food industry, food safety is a major concern. For example, the food-dye, FD&C Yellow 6, is approved for use in foods but the acceptable daily intake by children is 3.75 mg/kg due to concerns like hyperactivity. A UV-vis spectroscopy calibration curve for yellow dye 6 (absorbance vs. concentration in mol/L) was prepared at 485nm. The equation of the linear region between 0.2 and 1.4 absorbance is: y = 19896x Determine the molar extinction coefficient of yellow dye 6 at 485 nm. a. Assume the pathlength is 1.000 cm.
1.2 In the food industry, food safety is a major concern. For example, the food-dye, FD&C Yellow 6, is approved for use in foods but the acceptable daily intake by children is 3.75 mg/kg due to concerns like hyperactivity. A UV-vis spectroscopy calibration curve for yellow dye 6 (absorbance vs. concentration in mol/L) was prepared at 485nm. The equation of the linear region between 0.2 and 1.4 absorbance is: y = 19896x Determine the molar extinction coefficient of yellow dye 6 at 485 nm. a. Assume the pathlength is 1.000 cm.
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter20: Molecular Spectroscopy And Photochemistry
Section: Chapter Questions
Problem 6P
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