Chinese Life Q&A

硫化铅颜色

深蓝灰色

硫化铅是一种深蓝灰色接近黑色的立方晶体,分子式为PbS。它可以通过硫化氢通入酸性硝酸铅溶液或由碳酸铅与硫加热而制得。纯硫化铅的制备方法有两种:一种是将铅屑与单斜硫在真空石英管内加热到1100摄氏度;另一种是将PbO与H2S在石英管内加热到500摄氏度。硫化铅是一种半导体材料,可用于制作高纯度的半导体器件。

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