How accurate is half-life dating for determining the age of a sample?

posted by Dani on Jan 18

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kduenke asked:


By half-life dating, I mean the use of Carbon-14, Uranium-235, Uranium-238, Potassium-40, and other such isotopes and their half-lifes in dating.

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This entry was posted on Sunday, January 18th, 2009 at 6:43 am and is filed under Other - Science. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.

2 Comments to “How accurate is half-life dating for determining the age of a sample?”

  1. try2bhelpful Says:
    January 20th, 2009 at 4:08 am

    There is always an expiration date, even on samples. Check your samples. Only accurate until the date of expiration.

  2. sinan salameh Says:
    January 22nd, 2009 at 2:38 pm

    I think it’s the only trusted and used method to determine the age of many material, cuase all fossiles, bones and whatever might be get out of living body, should definetly contain carbon.
    so carbon is most important method

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