phenolphthalein

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

介绍了几治疗慢性便秘，括：硫酸镁，比沙啶，酚酞，甘油，开塞露等。并着重介绍了它们用法。

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

提出了以酚酞为指示,氢氧化钠为滴定测定甲氧胺盐酸盐含量方法。

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

采用百里酚蓝-甲酚红、溴甲酚绿-甲基红混和指示测试效果较差。