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电子密度天平进行密度测定的原理

Update time:2018-05-09 10:20:17The number of clicks:4417TimesSize:T|T
在日常实验室进行物质测量和分析时,经常会使用电子天平和密度测试组件进行固体密度的测量。利用电子天平可测量密度大于辅助液体密度的固体,密度小于辅助液体密度的固体 ,液体密度,多孔材料(如:渗油,轴承材料)的密度,德国KERN 密度天平EMB200-3V就可以进行密度测定。

电子密度天平进行密度测定的原理

在日常实验室进行物质测量和分析时,经常会使用电子天平和密度测试组件进行固体密度的测量。利用电子天平可测量密度大于辅助液体密度的固体,密度小于辅助液体密度的固体 ,液体密度,多孔材料(如:渗油,轴承材料)的密度,德国KERN 密度天平EMB200-3V就可以进行密度测定。

下面向大家简单介绍使用电子天平进行固体密度测量的原理

1、物体的密度为其质量与体积的比值,具体公式请参照说明

2、密度测量是依据阿基米德原理来实现的。该原理说明:浸入液体中的每一个固体失去的重量等于它所排开的液体的重量。

3、固体密度测量通常是使用一种已知密度液体(例如:水或乙醇)作为辅助液体,通过在空气(A)和辅助液体(B)中先后称量的待测固体质量,即可计算求得其密度。

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(Edit:rrkj2017)
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