1·The colored solidified alcohol has been prepared by utilizing alcohol, stearic acid, sodium hydroxide, phenolphthalein, copper nitrate and cobalt nitrate.
运用酒精、硬脂酸、氢氧化钠、酚酞、硝酸铜、硝酸钴等原料,制备彩色固体酒精。
2·It is reacted with phenol to produce phenolphthalein, used as an indicator, a dye, and a pharmaceutical.
它与酚反应生产酚酞,可用作指示剂、染料和医药。
3·The causes of producing error results were analyzed at detecting alkaline cell seal characteristics, using phenolphthalein solution.
分析了用酚酞试剂检测碱性电池密封性能产生错误结果的原因。
4·Acid calibration potassium hydroxide, to phenolphthalein as indicator.
钾标定,以酚酞为指示剂。
5·Phenolphthalein: This chemical is an organic dye that is toxic in large quantities.
酚酞:这个化学药品是一个有机染料,大剂量是有毒的。