phenolphthalein

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

提出酞为指示剂,氢钠为滴定剂测定盐酸盐含量的方法。

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.

合成一系列单体比例不同的4，4′-联苯二酸-酞／四溴酞共聚酯，并制成柔软透明的均质薄膜。

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

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

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。