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钙如何保存
更新时间: 2020-10-31 00:00:00  

在实验室中需要将金属钙放在煤油中进行保存。一般煤油是黑灰色的,放入金属钙后,不会导致金属钙氧化。而在生活中需要将钙放在可以密封的真空罐子里进行保存。

钙是一种金属元素,符号Ca,在化学元素周期表中位于第4周期、第IIA族,常温下呈银白色晶体。动物的骨骼、蛤壳、蛋壳都含有碳酸钙。

关键词: 如何 保存

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