一、实验装置实验装置如附图所示。热升华转变成白磷),当蒸气升至具支试管口处时停止加热。3.冷却,黄白蒸气冷凝成固体附着于试管壁上;挤压“吸耳球”(鼓空气);管底残留的红磷未燃,而管壁的部分白磷燃烧 First, the experimental device Experimental device as shown in the figure. Sublimation into white phosphorus), when the vapor rose to a branch with test tube to stop heating. 3. Cooling, yellow and white vapor condensed into a solid attached to the test tube wall; squeeze the “suction ear bulb” (drum air); the bottom of the tube red phosphorus remaining unburned, and part of the white phosphorus tube wall combustion