On the companions of argon

@article{RamsayOnTC,
  title={On the companions of argon},
  author={W. Ramsay and M. W. Travers},
  journal={Proceedings of the Royal Society of London},
  volume={63},
  pages={437 - 440}
}
For many months past we have been engaged in preparing a large uantity of argon from atmospheric air by absorbing the oxygen ith red-hot copper, and the nitrogen with magnesium. The amount we have at our disposal is some 18 litres. It will be remembered that one of us, in conjunction with Dr. Norman Collie, attempted to separate argon into light and heavy portions by means of diffusion, and, although there was a slight difference in density between the ght and the heavy portions, yet we thought… Expand
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