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Unformatted text preview: 2 . Attach the graph to your report and report the equation for the line on the graph. 3) Calculate the extinction coefficient for your sunscreen. Table 2. SPF and extinction coefficient for various sunscreens SPF Extinction Coefficient (mL/gcm) 90 4) What is the correlation between SPF and extinction coefficient? 5) Does the data meet your expectations? Why or why not? Investigation 2: Testing Sunscreens with UV Sensitive Materials Describe the experiment you developed using the UV sensitive disks. Report your data in a logical fashion. Explain the results and draw conclusions....
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- Fall '08