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

From Reactions.

Reactions – Questions Answered, Vol. 2 – YouTube Summary & Metadata

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.

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Credits:
Producer: Elaine Seward
Writer: Alexa Billow
Scientific Consultants: Sarah Don, Kent Molter Ph. D. and Michelle Boucher, Ph.D.

Music:
Alandra Lightflower Jones – Strike it up (82 style)
Sam Leopard – Secret Bass

Sources:
Radioactive half life: https://hps.org/publicinformation/ate/q8270.html
https://www.epa.gov/sites/production/files/2015-05/documents/402-b-04-001b-15-final.pdf

Gold:
http://www.bbc.co.uk/schools/gcsebitesize/science/add_aqa/electrolysis/electrolysisrev2.shtml
http://www.chm.bris.ac.uk/motm/chloroauric-acid/Chloroauric%20Acid.htm

Ever wonder why dogs sniff each others’ butts? Or how Adderall works? Or whether it’s OK to pee in the pool? We’ve got you covered: Reactions a web series about the chemistry that surrounds you every day.

Produced by the American Chemical Society.