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如何用盐做结晶试验

更新时间: 2020-09-16 00:00:00     

结晶:热的饱和溶液冷却后,溶质以晶体的形式析出,这一过程叫结晶。

用盐做结晶试验的方法:

1、首先取一小块盐结晶做引子;

2、然后取100毫升的饱和盐水;

3、把引子系在绳子上,绳子挂在线上;

4、再把这串东西架在装盐水的烧杯上方,让引子一定要彻底浸泡在饱和的盐水里,等大约一星期即可形成。

关键词: 何用 结晶 试验

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