How Do We Know the Half Life of Uranium & Can You Collect Gold Once It's Dissolved in Acid?

Reactions Science Videos | March 27, 2018

How do you recover gold that’s been dissolved in acid? How do we know the half-life of uranium? We take on your burning chemistry questions.

Sources:

Radioactive half life:
Answer to Question #8270 Submitted to "Ask the Experts"

15-1 JULY 2004 MARLAP 15  Quantification of Radionuclides

Gold:
Electroplating

Chloroauric Acid

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Produced by the American Chemical Society.