The Unit of Atomic Weight.

  title={The Unit of Atomic Weight.},
  • Published 1931
  • Chemistry
  • Nature
DISCUSSING the unit of atomic weight before Section A (Physics) at the meeting of the British Association in London on Sept. 28, Dr. F. W. Aston contrasted the point of view of the physicist and the chemist. The painstaking research in recent years to determine whether the atomic weights of complex elements vary with their origin and to effect the separation of isotopes has proved conclusively that for practical purposes variation in Nature is negligible, and has justified the decision of the…