. Chemical News and Journal of Industrial Science . Fig. Pressure atmospheresFig. 6. metal shows a somewhat abnormal behaviour, thecharacter of the distillation, particularly at the higherpressures, having more the appearance of a very rapidvolatilisation than of an actual ebullition. The resultsobtained with lead, bismuth, and zinc are expressed graphically in Fig. 6. By comparison with Fig. 4it will be seen how marked is the influence of pressure—the boiling-point of bismuth, for instance, being altered860 within the limits of pressure used in theseexperiments. Chemical News, July 28, 19
. Chemical News and Journal of Industrial Science . Fig. Pressure atmospheresFig. 6. metal shows a somewhat abnormal behaviour, thecharacter of the distillation, particularly at the higherpressures, having more the appearance of a very rapidvolatilisation than of an actual ebullition. The resultsobtained with lead, bismuth, and zinc are expressed graphically in Fig. 6. By comparison with Fig. 4it will be seen how marked is the influence of pressure—the boiling-point of bismuth, for instance, being altered860 within the limits of pressure used in theseexperiments. Chemical News, July 28, 1911 Electrolytic Furnace Method for Producing Metals. 45 Appendix. Derivation of the Latent Heats of Vaporisation from the above Experimental Results. In connection with the dependency of the boiling-pointson the pressure it was thought of interest (Zeit. , igii, [4], Ixxvi., 484) to try to calculate the latentheats of vaporisation which are quite unknown quantitiesfor these metals, except in the case of zinc. Without entering here at length in
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