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0.2甲基红如何配置
更新时间: 2020-10-03 00:00:00  

配置0.2%甲基红指示液步骤:

1、称取 0.2 g 甲基红。

2、溶于纯度为95%的乙醇中。

3、再用纯度为95%的乙醇稀释至100毫升。

4、0.2%甲基红指示液配置完成。

关键词: 甲基 如何 配置

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