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

介绍疗慢性便秘的药剂，包括：硫酸镁，比沙啶，酚酞，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.

采用百里酚蓝-甲酚红、溴甲酚绿-甲基红混和指示剂的测试差。

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

提出以酚酞为指示剂,氢氧化钠为滴定剂测定甲氧胺盐酸盐含量的方法。