CHED 427 |
| Phenolphthalein is commonly found in instructional laboratories most often used as an indicator in acid-base titrations to show the endpoint. An interesting fact about phenolphthalein is that in basic solution the pink color fades with time. This observation has been used to illustrate pseudo-first-order-kinetics. This experiment employs a diode array based spectrometer and its software to collect the absorbance of phenolphthalein at 550 nm as a function of time. The results are exported to a spreadsheet for further processing. |
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Undergraduate Research Poster Session: Chemical Education
11:00 AM-1:00 PM, Monday, March 26, 2007 Hyatt Regency Chicago -- Riverside Center, Poster
Division of Chemical Education |