Abstract
THE number of the permanent gases is rapidly diminishing. We have had occasion recently to refer to M. Cailletet's successful attempts to compress nitric oxide, N2O2, methyl hydride, CH4, and acetylene, C2H2, to the liquid form. The list of non-compressible gases was thus reduced to three, viz., hydrogen, nitrogen, and oxygen. Within the past week M. Raoul Pictet has succeeded in obtaining the last-mentioned gas in the liquid state, an event which is certainly one of the most novel and interesting in the chemical progress of the expiring year.
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Liquefaction of Oxygen . Nature 17, 169–170 (1877). https://doi.org/10.1038/017169b0
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DOI: https://doi.org/10.1038/017169b0