Argon, a new constituent of the atmosphere

@article{RayleighArgonAN,
  title={Argon, a new constituent of the atmosphere},
  author={Lord Rayleigh and William Ramsay},
  journal={American Journal of Science},
  volume={s3-49},
  pages={275 - 296}
}
I. Density of Nitrogen from Various Sources. In a former paper it has been shown that nitrogen extracted from chemical compounds is about ½ per cent. lighter than “atmospheric nitrogen.’’ The mean numbers for the weights of gas contained in the globe used were as follows:— Grams. From nitric oxide...................... 2⋅3001 From nitrous oxide...................... 2⋅2990 From ammonium nitrite ...... 2⋅2987 

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