The purpose of this lab was to use spectroscopy and graphical analysis to determine the concentration of dye and how much dye is in a sports drink (Analysis of Food). The sports drink chosen in this experiment had only one dye in it, FD&C Blue 1, and this dye happened to be the one used throughout the lab. I learned how to use the spectrometer and how to determine the wavelength and transmittance. The graphs recorded, show all the calculations for the determination of the concentrations of the dilute solutions used to make the calibration curve. This helps me find the best fit line and determine the expected concentration of the sports drink. The expected concentration in the blue dye was 1.8 X 10-6 M. Without calculations, the theoretical
