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铷,或许是个陌生的名字,其实电视摄像机的光电管里便有铷。 纯净的铷是银白色的金属,含有杂质时则略带黄色。铷很软,富有可塑性,熔点只有38℃,比人体上常体温只高1℃多。它的蒸气在180℃时是绛红色的,而温度高于250℃时,则是橙黄色。
Rubidium may be a strange name, in fact, there is rubidium in the photoelectric tube of the video camera. Pure rubidium is a silvery white metal, slightly yellow when containing impurities. Rubidium is very soft, full of plasticity, the melting point is only 38 ℃, body temperature is only 1 ℃ higher than the body temperature. Its vapor is magenta at 180 ° C and orange at temperatures above 250 ° C.