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雷德隆 电石 碳化钙 有机合成化学工业基本原料导电电石 氢炔焊接

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  • Description

电解石就是CaC2。也被称为电石。 电解石+水=氢氧化钙+乙炔气体。
乙炔气体可以作为燃料。
电解石主要成分
理化性质:矿石为黄褐色或黑色的块状固体,纯品为无色晶体(含CaC2较高的是紫色)。密度2.22克/立方厘米,熔点447℃、沸点2300℃,遇水立即发生激烈反应,生成乙炔,并放出热量,电解石含量不同熔点也随之变化。 杂质:因电解石中常含有砷化钙(Ca3 As2)、磷化钙(Ca3 P2)等杂质,与水作用时同时放出砷化氢(AsH3 )、磷化氢(PH3 )等有毒气体,因此使用由电解石产生的乙炔有毒(须通过浓H2SO4和重铬酸钾洗液除去)。
相对密度(水=1): 2.22


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Update time:20251208104829


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