After making a solution with a known mass of curcumin (alone, no curcuminoids) and a known volume of ethanol, the exact molarity of the solution was known. Using a known molarity, it was possible to find the extinction coefficient for curcumin without the other curcuminoids.
The slope of the following graph gives the extinction coefficient of curcumin alone:
The Extinction Coefficient of Curcumin Alone: 57000
6/14/18
-Alex Griffith
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