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Lithium/Standard Atomic Weight

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The Standard Atomic Weight for Lithium is given as: 6.941(2)[1]

Note:Commercially available Li materials have atomic weights that range between 6.939 and 6.996; if a more accurate value is required, it must be determined for the specific material.[2] Note: The range given in Atomic Weights of the Elements 1995 was 6.94 to 6.99

  1. This data was taken from the web site of NIST on December 2, 2007.
  2. http://physics.nist.gov/PhysRefData/Compositions/notes.html#notes