On fluid chlorin : and on the condensation of several gases into liquids / [Michael Faraday].

  • Faraday, Michael, 1791-1867
Date:
1823
Catalogue details

Licence: Public Domain Mark

Credit: On fluid chlorin : and on the condensation of several gases into liquids / [Michael Faraday]. Source: Wellcome Collection.

    4/18 (page 4)
    filled with a bright yellow atmosphere, and, on examination, was found to contain two fluid substances: the one, about three-fourths of the whole, was of a faint yellow colour, hav- ing very much the appearance of water; the remaining fourth was a heavy bright yellow fluid, lying at the bottom of the former, without any apparent tendency to mix with it. As the tube cooled, the yellow atmosphere condensed into more of the yellow fluid, which floated in a film on the pale fluid, looking very like chloride of nitrogen ; and at 70° the pale portion congealed, although even at 320 the yellow portion did not solidify. Heated up to ioo° the yellow fluid appeared to boil, and again produced the bright coloured atmosphere. By putting the hydrate into a bent tube, afterwards herme- tically sealed, I found it easy, after decomposing it by a heat of ioo°, to distil the yellow fluid to one end of the tube, and so separate it from the remaining portion. In this way a more complete decomposition of the' hydrate was effected, and, when the whole was allowed to cool, neither of the fluids solidified at temperatures above 340, and the yellow portion not even at o°. When the two were mixed together they gradually combined at temperatures below 6o°, and formed the same solid substances as that first introduced. If, when the fluids were separated, the tube was cut in the middle, the parts flew asunder as if with an explosion, the whole of the yellow portion disappeared, and there was a powerful atmo- sphere of chlorine produced; the pale portion on the contrary remained, and when examined, proved to be a weak solution of chlorine in water, with a little muriatic acid, probably from the impurity of the hydrate used. When that end of the tube in which the yellow fluid lay was broken under