天气预报15天查询> 其他> 0.2甲基红如何配置

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

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-1553007/ | 耗时:0.7791 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=1553007 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1553007 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1553007 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(738643,3236848,1043361,645552,169958,2168786,1132649,410255,2238743,2097854,2221630,463918,2459478,1492702,1080787,168537,438877,1075823,2252703,2432186,1667020,1421485,1831480,1831806,1111604,2183867,1085008,788243,759666,1740553) ORDER BY field (ArticleID,738643,3236848,1043361,645552,169958,2168786,1132649,410255,2238743,2097854,2221630,463918,2459478,1492702,1080787,168537,438877,1075823,2252703,2432186,1667020,1421485,1831480,1831806,1111604,2183867,1085008,788243,759666,1740553)