phenolphthalein

1.The assay of content of methoxyamine hydrochloric acid using phenolphthalein indicaor and NaOH as titrant was developed.

提出了为指示剂,氢钠为滴剂测胺盐酸盐含量的方法。

2.In this papers,a series of copolymers from 4,4'-bipllenyl dicarboxylic acid with phenolphthalein and tetrabromo phenolphthalein were synthesized, and transparent flexible films were cast.

合成了一系列单体比例不同的4，4′-联苯二酸-／四溴共聚酯，并制成柔软透明的均质薄膜。

3.Some laxative drugs such as magnesium sulfate,Bisatin,phenolphthalein,glycerol etc for common use were introduced.

介绍了几种治疗慢性便秘的药剂，包括：硫酸镁，比沙啶，，甘油，开塞露等。并着重介绍了它们的用法。

4.So the mixed indicator of phenolphthalein with alizarin red-methyl red could be used as the new indicator for the alkalify water determination.

采用百里蓝-红、溴绿-基红混和指示剂的测试效果较差。