In subject area: Mathematics The freezing of a liquid at its melting point, a (solid + solid) phase transition at its transition temperature, and the boiling of a liquid or subliming of a solid to a gas at a temperature where the vapor pressure of the liquid or solid is equal to the ...
摘要: Apparatus is described for using the melting point of mercury and the triple point of carbon dioxide as auxiliary fixed points for the calibration of platinum thermometers. The reproducibilities of the points were respectively 0.0005 and 0.0002 degree....