Absorbance Essay Topics

Analysis of Food Dyes in Beverages

Purpose: To determine the concentration of dye in a sports drink using spectroscopy and graphical analysis. We will be using beers law to find the unknown concentration of dye in a sports drink. Materials: Beakers, 50-mL, 2-3 ; Test tubes (13 x 100)mm 3-8 ; FD&C Blue 1 stock solution, 50-mL ; Lens tissues ;… View Article

Beer’s Law Problem Set

Beer’s Law Problem Set Spring 2013 1. Calculate the absorbances corresponding to the following values of the percentage of transmitted light: (Provide your final answer with three decimal places) a. 95% b. 88% c. 71% d. 50% e. 17.5% f. 1% 2. A solution of a compound (1.0mM) was placed in a spectrophotometer cuvette of… View Article