Are Expiration Dates Real?

Overview

Objectives I wanted to determine the extent to which the expiration date of iron pills effected the iron content of the pills. Methods I performed a redox titration using potassium permanganate and sulfuric acid to determine the iron level in 5 different iron pills each with different expiration dates. Results The pills with the earliest expiration date had the least amount of iron but they were still legally potent. To be legally potent they had to have 90% of the original potency. Conclusions I concluded that the expiration date does not signal a point at which the medication is unsafe to take because the expired pill still had 90% of its original potency. My project can educate and ultimately save consumers lots of money all around the world.

Competition history

• CSEF 2019 Chemistry · Entry S0614

Resources

• CSEF project summary ↗

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